Initial commit

src/infrastructure/bcdr/disaster-recovery.service.ts

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+// Business Continuity & Disaster Recovery
+
+import prisma from '@/shared/database/prisma';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export class DisasterRecoveryService {
+  /**
+   * Create ledger snapshot
+   */
+  async createLedgerSnapshot(ledgerId: string): Promise<string> {
+    // In production, this would create a full snapshot
+    const snapshotId = `SNAPSHOT-${Date.now()}`;
+    logger.info(`Creating ledger snapshot: ${snapshotId} for ledger: ${ledgerId}`);
+    return snapshotId;
+  }
+
+  /**
+   * Restore from snapshot
+   */
+  async restoreFromSnapshot(snapshotId: string): Promise<void> {
+    logger.info(`Restoring from snapshot: ${snapshotId}`);
+  }
+}
+
+export const disasterRecoveryService = new DisasterRecoveryService();
+

src/infrastructure/compute/dscm-x/compute-distribution.service.ts

@@ -0,0 +1,149 @@
+// Compute Distribution Service
+// Task distribution: compute_cost + latency + sovereign_priority + risk_weight
+
+import prisma from '@/shared/database/prisma';
+import { Decimal } from '@prisma/client/runtime/library';
+import { v4 as uuidv4 } from 'uuid';
+import { dscmNodeManagerService } from './dscm-node-manager.service';
+
+
+export interface ComputeTaskRequest {
+  taskType: string;
+  taskPayload: Record<string, unknown>;
+  preferredNodeType?: string;
+  sovereignBankId?: string;
+}
+
+export class ComputeDistributionService {
+  /**
+   * Distribute compute task
+   */
+  async distributeTask(request: ComputeTaskRequest) {
+    // Get available nodes
+    let nodes;
+    if (request.preferredNodeType) {
+      nodes = await dscmNodeManagerService.getNodesByType(request.preferredNodeType);
+    } else {
+      nodes = await prisma.dscmNode.findMany({
+        where: {
+          status: 'active',
+        },
+      });
+    }
+
+    if (nodes.length === 0) {
+      throw new Error('No available compute nodes');
+    }
+
+    // Calculate distribution score for each node
+    const nodeScores = await Promise.all(
+      nodes.map(async (node) => {
+        const computeCost = node.computeCapacity ? parseFloat(node.computeCapacity.toString()) : 0;
+        const latency = node.latency || 0;
+        const sovereignPriority = node.sovereignPriority || 0;
+        const riskWeight = node.riskWeight ? parseFloat(node.riskWeight.toString()) : 0;
+
+        // Distribution score calculation
+        // Lower is better, so we use inverse for cost and risk
+        const distributionScore = 
+          (1 / (computeCost + 1)) + // Inverse cost
+          (latency / 1000) + // Normalize latency
+          (sovereignPriority / 10) + // Priority boost
+          riskWeight; // Risk penalty
+
+        return {
+          nodeId: node.nodeId,
+          nodeType: node.nodeType,
+          distributionScore,
+          computeCost,
+          latency,
+          sovereignPriority,
+          riskWeight,
+        };
+      })
+    );
+
+    // Select node with best (lowest) distribution score
+    const selectedNode = nodeScores.reduce((best, current) =>
+      current.distributionScore < best.distributionScore ? current : best
+    );
+
+    // Create compute task
+    const taskId = `TASK-${uuidv4()}`;
+
+    const task = await prisma.computeTask.create({
+      data: {
+        taskId,
+        nodeId: selectedNode.nodeId,
+        taskType: request.taskType,
+        taskPayload: request.taskPayload,
+        computeCost: new Decimal(selectedNode.computeCost),
+        latency: selectedNode.latency,
+        distributionScore: new Decimal(selectedNode.distributionScore),
+        status: 'pending',
+        assignedAt: new Date(),
+      },
+    });
+
+    return task;
+  }
+
+  /**
+   * Start task execution
+   */
+  async startTask(taskId: string) {
+    return await prisma.computeTask.update({
+      where: { taskId },
+      data: {
+        status: 'executing',
+        startedAt: new Date(),
+      },
+    });
+  }
+
+  /**
+   * Complete task
+   */
+  async completeTask(taskId: string, result: Record<string, unknown>) {
+    return await prisma.computeTask.update({
+      where: { taskId },
+      data: {
+        status: 'completed',
+        completedAt: new Date(),
+        result,
+      },
+    });
+  }
+
+  /**
+   * Get task by ID
+   */
+  async getTask(taskId: string) {
+    return await prisma.computeTask.findUnique({
+      where: { taskId },
+      include: {
+        node: true,
+      },
+    });
+  }
+
+  /**
+   * Get tasks for node
+   */
+  async getTasksForNode(nodeId: string, status?: string) {
+    const where: any = { nodeId };
+    if (status) {
+      where.status = status;
+    }
+
+    return await prisma.computeTask.findMany({
+      where,
+      orderBy: {
+        assignedAt: 'desc',
+      },
+    });
+  }
+}
+
+export const computeDistributionService = new ComputeDistributionService();
+

src/infrastructure/compute/dscm-x/cross-node-consensus.service.ts

@@ -0,0 +1,102 @@
+// Cross-Node Consensus Service
+// Deterministic results across nodes
+
+import prisma from '@/shared/database/prisma';
+import { computeDistributionService } from './compute-distribution.service';
+
+
+export class CrossNodeConsensusService {
+  /**
+   * Execute task across multiple nodes and reach consensus
+   */
+  async executeWithConsensus(
+    taskType: string,
+    taskPayload: Record<string, unknown>,
+    nodeIds: string[]
+  ) {
+    // Create tasks on multiple nodes
+    const tasks = [];
+
+    for (const nodeId of nodeIds) {
+      const node = await prisma.dscmNode.findUnique({
+        where: { nodeId },
+      });
+
+      if (!node || node.status !== 'active') {
+        continue;
+      }
+
+      // Create task on this node
+      const task = await prisma.computeTask.create({
+        data: {
+          taskId: `CONSENSUS-TASK-${nodeId}-${Date.now()}`,
+          nodeId,
+          taskType,
+          taskPayload,
+          status: 'executing',
+          assignedAt: new Date(),
+          startedAt: new Date(),
+        },
+      });
+
+      tasks.push(task);
+    }
+
+    // Wait for all tasks to complete (in production, would use async coordination)
+    // Collect results
+    const results = tasks.map((task) => ({
+      nodeId: task.nodeId,
+      taskId: task.taskId,
+      result: {},
+    }));
+
+    // Apply consensus logic
+    const consensusResult = this.applyConsensusLogic(results);
+
+    // Update all tasks with consensus result
+    for (const task of tasks) {
+      await prisma.computeTask.update({
+        where: { taskId: task.taskId },
+        data: {
+          status: 'completed',
+          completedAt: new Date(),
+          result: {
+            consensusResult,
+            deterministic: true,
+          },
+        },
+      });
+    }
+
+    return consensusResult;
+  }
+
+  /**
+   * Apply consensus logic to results
+   */
+  private applyConsensusLogic(results: Array<{ nodeId: string; result: Record<string, unknown> }>): Record<string, unknown> {
+    // Simple majority consensus
+    // In production, would use Byzantine Fault Tolerant consensus algorithm
+    return {
+      consensusType: 'majority',
+      participatingNodes: results.length,
+      consensusReached: true,
+      result: {},
+    };
+  }
+
+  /**
+   * Verify deterministic result
+   */
+  async verifyDeterministicResult(
+    taskType: string,
+    taskPayload: Record<string, unknown>,
+    expectedResult: Record<string, unknown>
+  ): Promise<boolean> {
+    // In production, would re-execute on different nodes and compare results
+    return true;
+  }
+}
+
+export const crossNodeConsensusService = new CrossNodeConsensusService();
+

src/infrastructure/compute/dscm-x/dscm-node-manager.service.ts

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+// DSCM-X Node Manager Service
+// Node registration and management (SEN, CEN, FXN, CTN)
+
+import prisma from '@/shared/database/prisma';
+import { Decimal } from '@prisma/client/runtime/library';
+import { v4 as uuidv4 } from 'uuid';
+
+
+export interface NodeRegistrationRequest {
+  nodeType: string; // SEN, CEN, FXN, CTN
+  nodeName: string;
+  sovereignBankId?: string;
+  computeCapacity?: number;
+  latency?: number;
+  sovereignPriority?: number;
+  riskWeight?: number;
+}
+
+export class DscmNodeManagerService {
+  /**
+   * Register compute node
+   */
+  async registerNode(request: NodeRegistrationRequest) {
+    const nodeId = `DSCM-${request.nodeType}-${uuidv4()}`;
+
+    return await prisma.dscmNode.create({
+      data: {
+        nodeId,
+        sovereignBankId: request.sovereignBankId,
+        nodeType: request.nodeType,
+        nodeName: request.nodeName,
+        computeCapacity: request.computeCapacity ? new Decimal(request.computeCapacity) : null,
+        latency: request.latency || null,
+        sovereignPriority: request.sovereignPriority || null,
+        riskWeight: request.riskWeight ? new Decimal(request.riskWeight) : null,
+        status: 'active',
+        registeredAt: new Date(),
+        lastHeartbeat: new Date(),
+      },
+    });
+  }
+
+  /**
+   * Update node heartbeat
+   */
+  async updateHeartbeat(nodeId: string) {
+    return await prisma.dscmNode.update({
+      where: { nodeId },
+      data: {
+        lastHeartbeat: new Date(),
+      },
+    });
+  }
+
+  /**
+   * Get node by ID
+   */
+  async getNode(nodeId: string) {
+    return await prisma.dscmNode.findUnique({
+      where: { nodeId },
+    });
+  }
+
+  /**
+   * Get nodes by type
+   */
+  async getNodesByType(nodeType: string) {
+    return await prisma.dscmNode.findMany({
+      where: {
+        nodeType,
+        status: 'active',
+      },
+    });
+  }
+
+  /**
+   * Get nodes for sovereign bank
+   */
+  async getNodesForBank(sovereignBankId: string) {
+    return await prisma.dscmNode.findMany({
+      where: {
+        sovereignBankId,
+        status: 'active',
+      },
+    });
+  }
+
+  /**
+   * Update node status
+   */
+  async updateNodeStatus(nodeId: string, status: string) {
+    return await prisma.dscmNode.update({
+      where: { nodeId },
+      data: { status },
+    });
+  }
+}
+
+export const dscmNodeManagerService = new DscmNodeManagerService();
+

src/infrastructure/compute/dscm-x/dscm.routes.ts

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+// DSCM-X API Routes
+
+import { Router } from 'express';
+import { dscmNodeManagerService } from './dscm-node-manager.service';
+import { computeDistributionService } from './compute-distribution.service';
+import { federatedAiService } from './federated-ai.service';
+
+const router = Router();
+
+router.post('/nodes/register', async (req, res, next) => {
+  try {
+    const node = await dscmNodeManagerService.registerNode(req.body);
+    res.status(201).json(node);
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.post('/tasks/distribute', async (req, res, next) => {
+  try {
+    const task = await computeDistributionService.distributeTask(req.body);
+    res.json(task);
+  } catch (error) {
+    next(error);
+  }
+});
+
+router.post('/federated-ai', async (req, res, next) => {
+  try {
+    const task = await federatedAiService.executeFederatedAiTask(req.body);
+    res.json(task);
+  } catch (error) {
+    next(error);
+  }
+});
+
+export default router;
+

src/infrastructure/compute/dscm-x/federated-ai.service.ts

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+// Federated AI Service
+// Federated AI for risk/compliance tasks
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { dscmNodeManagerService } from './dscm-node-manager.service';
+
+
+export interface FederatedAiRequest {
+  aiType: string; // risk_analysis, compliance_check, threat_detection
+  taskPayload: Record<string, unknown>;
+  participatingNodeIds?: string[];
+}
+
+export class FederatedAiService {
+  /**
+   * Execute federated AI task
+   */
+  async executeFederatedAiTask(request: FederatedAiRequest) {
+    // Get participating nodes
+    let nodeIds: string[];
+    if (request.participatingNodeIds && request.participatingNodeIds.length > 0) {
+      nodeIds = request.participatingNodeIds;
+    } else {
+      // Get all active nodes for federated computation
+      const nodes = await prisma.dscmNode.findMany({
+        where: {
+          status: 'active',
+          nodeType: {
+            in: ['SEN', 'CEN'], // Use Sovereign Execution Nodes and Compliance Execution Nodes
+          },
+        },
+        take: 5, // Limit to 5 nodes for federated task
+      });
+      nodeIds = nodes.map((n) => n.nodeId);
+    }
+
+    if (nodeIds.length === 0) {
+      throw new Error('No nodes available for federated AI task');
+    }
+
+    // Create federated AI task on primary node
+    const primaryNodeId = nodeIds[0];
+    const taskId = `FED-AI-${uuidv4()}`;
+
+    const task = await prisma.federatedAiTask.create({
+      data: {
+        taskId,
+        nodeId: primaryNodeId,
+        aiType: request.aiType,
+        taskPayload: request.taskPayload,
+        federatedNodes: nodeIds,
+        status: 'running',
+        startedAt: new Date(),
+      },
+    });
+
+    // In production, would distribute task across nodes and wait for consensus
+    // For now, simulate consensus result
+    const consensusResult = await this.reachConsensus(taskId, nodeIds);
+
+    await prisma.federatedAiTask.update({
+      where: { taskId },
+      data: {
+        status: 'consensus_reached',
+        consensusResult,
+        consensusReachedAt: new Date(),
+      },
+    });
+
+    return task;
+  }
+
+  /**
+   * Reach consensus across federated nodes
+   */
+  private async reachConsensus(
+    taskId: string,
+    nodeIds: string[]
+  ): Promise<Record<string, unknown>> {
+    // Simulate consensus algorithm
+    // In production, would collect results from all nodes and apply consensus logic
+    return {
+      consensusType: 'majority',
+      participatingNodes: nodeIds,
+      consensusReached: true,
+      result: {},
+    };
+  }
+
+  /**
+   * Get federated AI task
+   */
+  async getTask(taskId: string) {
+    return await prisma.federatedAiTask.findUnique({
+      where: { taskId },
+      include: {
+        node: true,
+      },
+    });
+  }
+
+  /**
+   * Get tasks by AI type
+   */
+  async getTasksByAiType(aiType: string) {
+    return await prisma.federatedAiTask.findMany({
+      where: {
+        aiType,
+      },
+      orderBy: {
+        startedAt: 'desc',
+      },
+    });
+  }
+}
+
+export const federatedAiService = new FederatedAiService();
+

src/infrastructure/compute/dscm-x/smart-contract-execution.service.ts

@@ -0,0 +1,47 @@
+// Smart Contract Execution Service
+// Distributed smart contract execution
+
+import { computeDistributionService } from './compute-distribution.service';
+
+export class SmartContractExecutionService {
+  /**
+   * Execute smart contract on distributed nodes
+   */
+  async executeSmartContract(
+    contractId: string,
+    contractCode: string,
+    parameters: Record<string, unknown>
+  ) {
+    // Distribute contract execution task
+    const task = await computeDistributionService.distributeTask({
+      taskType: 'smart_contract',
+      taskPayload: {
+        contractId,
+        contractCode,
+        parameters,
+      },
+      preferredNodeType: 'SEN', // Use Sovereign Execution Nodes
+    });
+
+    // Start execution
+    await computeDistributionService.startTask(task.taskId);
+
+    // In production, would execute contract and wait for deterministic result
+    // For now, simulate execution
+    const result = {
+      contractId,
+      executionResult: {},
+      deterministic: true,
+    };
+
+    await computeDistributionService.completeTask(task.taskId, result);
+
+    return {
+      taskId: task.taskId,
+      result,
+    };
+  }
+}
+
+export const smartContractExecutionService = new SmartContractExecutionService();
+

src/infrastructure/compute/gpu-edge/gpu-edge-deployment.service.ts

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+// GPU Edge Deployment Service
+// 325-region deployment orchestration
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+import { gpuEdgeNodeService } from './gpu-edge-node.service';
+
+
+export interface GpuEdgeDeploymentRequest {
+  regionId: string;
+  nodeTypes: Array<'MGN' | 'QGN' | 'ZKN' | 'SAN'>;
+  gpuCapacityPerNode: number;
+  quantumSafeTunnelingEnabled: boolean;
+}
+
+export interface GpuEdgeDeploymentResult {
+  deploymentId: string;
+  regionId: string;
+  nodesCreated: number;
+  status: string;
+}
+
+export class GpuEdgeDeploymentService {
+  /**
+   * Deploy GPU edge nodes to a region
+   * Supports deployment across 325 regions globally
+   */
+  async deployToRegion(
+    request: GpuEdgeDeploymentRequest
+  ): Promise<GpuEdgeDeploymentResult> {
+    logger.info('GPU Edge: Deploying to region', { request });
+
+    const deploymentId = `GPU-DEPLOY-${uuidv4()}`;
+
+    // Step 1: Verify or create region
+    let region = await prisma.gpuEdgeRegion.findUnique({
+      where: { regionId: request.regionId },
+    });
+
+    if (!region) {
+      region = await prisma.gpuEdgeRegion.create({
+        data: {
+          regionId: request.regionId,
+          regionName: `Region ${request.regionId}`,
+          status: 'active',
+        },
+      });
+    }
+
+    // Step 2: Create nodes for each node type
+    const nodesCreated: string[] = [];
+
+    for (const nodeType of request.nodeTypes) {
+      const nodeResult = await gpuEdgeNodeService.createGpuEdgeNode({
+        nodeType,
+        regionId: request.regionId,
+        nodeName: `${nodeType}-${request.regionId}-${uuidv4().substring(0, 8)}`,
+        gpuCapacity: request.gpuCapacityPerNode,
+        networkAddress: `6g://${request.regionId}/${nodeType}`,
+        quantumSafeTunnelingEnabled: request.quantumSafeTunnelingEnabled,
+      });
+
+      nodesCreated.push(nodeResult.nodeId);
+    }
+
+    // Step 3: Create deployment record
+    const deployment = await prisma.gpuEdgeDeployment.create({
+      data: {
+        deploymentId,
+        regionId: request.regionId,
+        nodeTypes: request.nodeTypes as any,
+        nodesCreated: nodesCreated as any,
+        status: 'completed',
+        deployedAt: new Date(),
+      },
+    });
+
+    logger.info('GPU Edge: Deployment completed', {
+      deploymentId,
+      nodesCreated: nodesCreated.length,
+    });
+
+    return {
+      deploymentId,
+      regionId: request.regionId,
+      nodesCreated: nodesCreated.length,
+      status: deployment.status,
+    };
+  }
+
+  /**
+   * Get deployment by ID
+   */
+  async getDeployment(deploymentId: string) {
+    return await prisma.gpuEdgeDeployment.findUnique({
+      where: { deploymentId },
+      include: {
+        region: true,
+      },
+    });
+  }
+
+  /**
+   * Get deployments for region
+   */
+  async getDeploymentsForRegion(regionId: string) {
+    return await prisma.gpuEdgeDeployment.findMany({
+      where: { regionId },
+      orderBy: { deployedAt: 'desc' },
+    });
+  }
+
+  /**
+   * Get all active regions
+   */
+  async getAllActiveRegions() {
+    return await prisma.gpuEdgeRegion.findMany({
+      where: { status: 'active' },
+      orderBy: { regionName: 'asc' },
+    });
+  }
+}
+
+export const gpuEdgeDeploymentService = new GpuEdgeDeploymentService();
+

src/infrastructure/compute/gpu-edge/gpu-edge-monitoring.service.ts

@@ -0,0 +1,128 @@
+// GPU Edge Monitoring Service
+// Node health, performance, quantum-safe tunneling monitoring
+
+import prisma from '@/shared/database/prisma';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface GpuEdgeHealthCheck {
+  nodeId: string;
+  health: 'healthy' | 'degraded' | 'unhealthy';
+  gpuUtilization: number;
+  latency: number;
+  quantumTunnelStatus: 'active' | 'inactive';
+  issues: string[];
+}
+
+export class GpuEdgeMonitoringService {
+  /**
+   * Perform health check on GPU edge node
+   */
+  async performHealthCheck(nodeId: string): Promise<GpuEdgeHealthCheck> {
+    const node = await prisma.gpuEdgeNode.findUnique({
+      where: { nodeId },
+    });
+
+    if (!node) {
+      throw new Error(`Node not found: ${nodeId}`);
+    }
+
+    // Simulate health check (in production, would query actual node)
+    const gpuUtilization = Math.random() * 100; // 0-100%
+    const latency = Math.random() * 2; // 0-2ms
+    const quantumTunnelStatus = node.quantumSafeTunnelingEnabled
+      ? 'active'
+      : 'inactive';
+
+    const issues: string[] = [];
+
+    let health: 'healthy' | 'degraded' | 'unhealthy' = 'healthy';
+
+    if (gpuUtilization > 90) {
+      issues.push('High GPU utilization');
+      health = 'degraded';
+    }
+
+    if (latency > 1) {
+      issues.push('Latency exceeds 1ms threshold');
+      health = 'degraded';
+    }
+
+    if (node.status !== 'active') {
+      issues.push('Node status is not active');
+      health = 'unhealthy';
+    }
+
+    // Save health check record
+    await prisma.gpuEdgeTask.create({
+      data: {
+        taskId: `HEALTH-${Date.now()}`,
+        nodeId,
+        taskType: 'health_check',
+        status: 'completed',
+        result: {
+          health,
+          gpuUtilization,
+          latency,
+          quantumTunnelStatus,
+          issues,
+        } as any,
+      },
+    });
+
+    return {
+      nodeId,
+      health,
+      gpuUtilization,
+      latency,
+      quantumTunnelStatus,
+      issues,
+    };
+  }
+
+  /**
+   * Get monitoring metrics for node
+   */
+  async getNodeMetrics(nodeId: string) {
+    const tasks = await prisma.gpuEdgeTask.findMany({
+      where: { nodeId },
+      orderBy: { createdAt: 'desc' },
+      take: 100,
+    });
+
+    return {
+      nodeId,
+      totalTasks: tasks.length,
+      completedTasks: tasks.filter((t) => t.status === 'completed').length,
+      failedTasks: tasks.filter((t) => t.status === 'failed').length,
+      averageLatency:
+        tasks.reduce((sum, t) => {
+          const result = t.result as any;
+          return sum + (result?.latency || 0);
+        }, 0) / tasks.length || 0,
+    };
+  }
+
+  /**
+   * Get monitoring metrics for region
+   */
+  async getRegionMetrics(regionId: string) {
+    const nodes = await prisma.gpuEdgeNode.findMany({
+      where: { regionId },
+    });
+
+    const metrics = await Promise.all(
+      nodes.map((node) => this.getNodeMetrics(node.nodeId))
+    );
+
+    return {
+      regionId,
+      totalNodes: nodes.length,
+      activeNodes: nodes.filter((n) => n.status === 'active').length,
+      nodeMetrics: metrics,
+    };
+  }
+}
+
+export const gpuEdgeMonitoringService = new GpuEdgeMonitoringService();
+

src/infrastructure/compute/gpu-edge/gpu-edge-node.service.ts

@@ -0,0 +1,109 @@
+// GPU Edge Node Service
+// GPU edge node management (MGN, QGN, ZKN, SAN types)
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface GpuEdgeNodeRequest {
+  nodeType: 'MGN' | 'QGN' | 'ZKN' | 'SAN'; // Metaverse GPU Node, Quantum Gateway Node, ZK Validation Node, Sovereign AI Node
+  regionId: string;
+  nodeName: string;
+  gpuCapacity: number; // GPU units
+  networkAddress: string;
+  quantumSafeTunnelingEnabled: boolean;
+}
+
+export interface GpuEdgeNodeResult {
+  nodeId: string;
+  nodeType: string;
+  regionId: string;
+  status: string;
+}
+
+export class GpuEdgeNodeService {
+  /**
+   * Create GPU edge node
+   * Node types:
+   * - MGN: Metaverse GPU Node (metaverse rendering)
+   * - QGN: Quantum Gateway Node (quantum proxy operations)
+   * - ZKN: ZK Validation Node (ZK ledger validation)
+   * - SAN: Sovereign AI Node (AI behavioral engines)
+   */
+  async createGpuEdgeNode(
+    request: GpuEdgeNodeRequest
+  ): Promise<GpuEdgeNodeResult> {
+    logger.info('GPU Edge: Creating edge node', { request });
+
+    const nodeId = `GPU-EDGE-${uuidv4()}`;
+
+    const node = await prisma.gpuEdgeNode.create({
+      data: {
+        nodeId,
+        nodeType: request.nodeType,
+        regionId: request.regionId,
+        nodeName: request.nodeName,
+        gpuCapacity: request.gpuCapacity,
+        networkAddress: request.networkAddress,
+        quantumSafeTunnelingEnabled: request.quantumSafeTunnelingEnabled,
+        status: 'active',
+      },
+    });
+
+    logger.info('GPU Edge: Node created', { nodeId });
+
+    return {
+      nodeId,
+      nodeType: node.nodeType,
+      regionId: node.regionId,
+      status: node.status,
+    };
+  }
+
+  /**
+   * Get node by ID
+   */
+  async getNode(nodeId: string) {
+    return await prisma.gpuEdgeNode.findUnique({
+      where: { nodeId },
+      include: {
+        region: true,
+        tasks: true,
+      },
+    });
+  }
+
+  /**
+   * Get nodes by type
+   */
+  async getNodesByType(nodeType: string) {
+    return await prisma.gpuEdgeNode.findMany({
+      where: { nodeType, status: 'active' },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
+  /**
+   * Get nodes for region
+   */
+  async getNodesForRegion(regionId: string) {
+    return await prisma.gpuEdgeNode.findMany({
+      where: { regionId, status: 'active' },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
+  /**
+   * Update node status
+   */
+  async updateNodeStatus(nodeId: string, status: string) {
+    return await prisma.gpuEdgeNode.update({
+      where: { nodeId },
+      data: { status },
+    });
+  }
+}
+
+export const gpuEdgeNodeService = new GpuEdgeNodeService();
+

src/infrastructure/compute/gpu-edge/gpu-edge-routing.service.ts

@@ -0,0 +1,142 @@
+// GPU Edge Routing Service
+// 6G network routing with ultra-low latency (<1ms)
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface GpuEdgeRoutingRequest {
+  sourceRegionId: string;
+  targetRegionId: string;
+  taskType: 'metaverse' | 'quantum' | 'zk' | 'ai';
+  latencyRequirement?: number; // Milliseconds (default: <1ms)
+}
+
+export interface GpuEdgeRoutingResult {
+  routeId: string;
+  path: string[];
+  estimatedLatency: number;
+  quantumSafe: boolean;
+}
+
+export class GpuEdgeRoutingService {
+  /**
+   * Calculate optimal 6G route for GPU edge task
+   * Ultra-low latency requirement: <1ms
+   */
+  async calculateOptimalRoute(
+    request: GpuEdgeRoutingRequest
+  ): Promise<GpuEdgeRoutingResult> {
+    logger.info('GPU Edge: Calculating optimal 6G route', { request });
+
+    const latencyRequirement = request.latencyRequirement || 1; // <1ms default
+
+    // Step 1: Get available nodes in source and target regions
+    const sourceNodes = await prisma.gpuEdgeNode.findMany({
+      where: {
+        regionId: request.sourceRegionId,
+        status: 'active',
+      },
+    });
+
+    const targetNodes = await prisma.gpuEdgeNode.findMany({
+      where: {
+        regionId: request.targetRegionId,
+        status: 'active',
+      },
+    });
+
+    if (sourceNodes.length === 0 || targetNodes.length === 0) {
+      throw new Error('No nodes available in source or target region');
+    }
+
+    // Step 2: Select appropriate node type based on task
+    const nodeTypeMap: Record<string, string> = {
+      metaverse: 'MGN',
+      quantum: 'QGN',
+      zk: 'ZKN',
+      ai: 'SAN',
+    };
+
+    const requiredNodeType = nodeTypeMap[request.taskType] || 'MGN';
+
+    // Step 3: Find nodes with required type
+    const sourceNode = sourceNodes.find((n) => n.nodeType === requiredNodeType);
+    const targetNode = targetNodes.find((n) => n.nodeType === requiredNodeType);
+
+    if (!sourceNode || !targetNode) {
+      throw new Error(`No ${requiredNodeType} nodes available`);
+    }
+
+    // Step 4: Calculate route path (6G network)
+    const path = [sourceNode.nodeId, targetNode.nodeId];
+
+    // Step 5: Estimate latency (6G ultra-low latency: <1ms)
+    const estimatedLatency = 0.5; // 0.5ms for 6G
+
+    // Step 6: Check quantum-safe tunneling
+    const quantumSafe =
+      sourceNode.quantumSafeTunnelingEnabled &&
+      targetNode.quantumSafeTunnelingEnabled;
+
+    // Step 7: Create route record
+    const routeId = `GPU-ROUTE-${uuidv4()}`;
+
+    await prisma.gpuEdgeNetwork.create({
+      data: {
+        routeId,
+        sourceRegionId: request.sourceRegionId,
+        targetRegionId: request.targetRegionId,
+        sourceNodeId: sourceNode.nodeId,
+        targetNodeId: targetNode.nodeId,
+        path: path as any,
+        estimatedLatency,
+        quantumSafe,
+        latencyRequirement,
+        status: 'active',
+      },
+    });
+
+    logger.info('GPU Edge: Route calculated', {
+      routeId,
+      estimatedLatency,
+    });
+
+    return {
+      routeId,
+      path,
+      estimatedLatency,
+      quantumSafe,
+    };
+  }
+
+  /**
+   * Get route by ID
+   */
+  async getRoute(routeId: string) {
+    return await prisma.gpuEdgeNetwork.findUnique({
+      where: { routeId },
+    });
+  }
+
+  /**
+   * Get routes for region pair
+   */
+  async getRoutesForRegionPair(
+    sourceRegionId: string,
+    targetRegionId: string
+  ) {
+    return await prisma.gpuEdgeNetwork.findMany({
+      where: {
+        sourceRegionId,
+        targetRegionId,
+        status: 'active',
+      },
+      orderBy: { estimatedLatency: 'asc' },
+    });
+  }
+}
+
+export const gpuEdgeRoutingService = new GpuEdgeRoutingService();
+

src/infrastructure/compute/gpu-edge/gpu-edge.routes.ts

@@ -0,0 +1,139 @@
+// GPU Edge API Routes
+
+import { Router } from 'express';
+import { gpuEdgeNodeService } from './gpu-edge-node.service';
+import { gpuEdgeDeploymentService } from './gpu-edge-deployment.service';
+import { gpuEdgeRoutingService } from './gpu-edge-routing.service';
+import { gpuEdgeMonitoringService } from './gpu-edge-monitoring.service';
+import { zeroTrustAuthMiddleware } from '@/integration/api-gateway/middleware/auth.middleware';
+
+const router = Router();
+
+/**
+ * @route POST /api/gpu-edge/node
+ * @desc Create GPU edge node
+ */
+router.post(
+  '/node',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await gpuEdgeNodeService.createGpuEdgeNode(req.body);
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/gpu-edge/node/:nodeId
+ * @desc Get node by ID
+ */
+router.get(
+  '/node/:nodeId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const node = await gpuEdgeNodeService.getNode(req.params.nodeId);
+      if (!node) {
+        return res.status(404).json({ error: 'Node not found' });
+      }
+      res.json(node);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/gpu-edge/deploy
+ * @desc Deploy GPU edge nodes to region
+ */
+router.post(
+  '/deploy',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await gpuEdgeDeploymentService.deployToRegion(req.body);
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/gpu-edge/regions
+ * @desc Get all active regions
+ */
+router.get(
+  '/regions',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const regions = await gpuEdgeDeploymentService.getAllActiveRegions();
+      res.json(regions);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/gpu-edge/route
+ * @desc Calculate optimal 6G route
+ */
+router.post(
+  '/route',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await gpuEdgeRoutingService.calculateOptimalRoute(req.body);
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/gpu-edge/monitor/health/:nodeId
+ * @desc Perform health check on node
+ */
+router.post(
+  '/monitor/health/:nodeId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await gpuEdgeMonitoringService.performHealthCheck(
+        req.params.nodeId
+      );
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/gpu-edge/monitor/metrics/node/:nodeId
+ * @desc Get monitoring metrics for node
+ */
+router.get(
+  '/monitor/metrics/node/:nodeId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const metrics = await gpuEdgeMonitoringService.getNodeMetrics(
+        req.params.nodeId
+      );
+      res.json(metrics);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+export default router;
+

src/infrastructure/encryption/encryption.service.ts

@@ -0,0 +1,164 @@
+// Encryption Service - AES-256, TLS 1.3, Hash Functions
+
+import crypto from 'crypto';
+import { DEFAULT_CONFIG } from '@/shared/constants';
+
+export class EncryptionService {
+  private readonly algorithm = 'aes-256-gcm';
+  private readonly keyLength = 32; // 256 bits
+  private readonly ivLength = 16; // 128 bits
+  private readonly tagLength = 16; // 128 bits
+
+  /**
+   * Generate a random encryption key
+   */
+  generateKey(): Buffer {
+    return crypto.randomBytes(this.keyLength);
+  }
+
+  /**
+   * Generate a random IV (Initialization Vector)
+   */
+  generateIV(): Buffer {
+    return crypto.randomBytes(this.ivLength);
+  }
+
+  /**
+   * Encrypt data using AES-256-GCM
+   */
+  encrypt(data: string, key: Buffer): { encrypted: string; iv: string; tag: string } {
+    const iv = this.generateIV();
+    const cipher = crypto.createCipheriv(this.algorithm, key, iv);
+
+    let encrypted = cipher.update(data, 'utf8', 'hex');
+    encrypted += cipher.final('hex');
+
+    const tag = cipher.getAuthTag();
+
+    return {
+      encrypted,
+      iv: iv.toString('hex'),
+      tag: tag.toString('hex'),
+    };
+  }
+
+  /**
+   * Decrypt data using AES-256-GCM
+   */
+  decrypt(encrypted: string, key: Buffer, iv: string, tag: string): string {
+    const ivBuffer = Buffer.from(iv, 'hex');
+    const tagBuffer = Buffer.from(tag, 'hex');
+    const decipher = crypto.createDecipheriv(this.algorithm, key, ivBuffer);
+
+    decipher.setAuthTag(tagBuffer);
+
+    let decrypted = decipher.update(encrypted, 'hex', 'utf8');
+    decrypted += decipher.final('utf8');
+
+    return decrypted;
+  }
+
+  /**
+   * Hash data using SHA-3 (Keccak-256)
+   */
+  hash(data: string): string {
+    return crypto.createHash('sha3-256').update(data).digest('hex');
+  }
+
+  /**
+   * Hash data for ledger block chaining
+   */
+  hashLedgerEntry(entry: {
+    id: string;
+    debitAccountId: string;
+    creditAccountId: string;
+    amount: string;
+    currencyCode: string;
+    timestampUtc: Date;
+    previousHash?: string;
+  }): string {
+    const data = JSON.stringify({
+      id: entry.id,
+      debitAccountId: entry.debitAccountId,
+      creditAccountId: entry.creditAccountId,
+      amount: entry.amount,
+      currencyCode: entry.currencyCode,
+      timestampUtc: entry.timestampUtc.toISOString(),
+      previousHash: entry.previousHash || '',
+    });
+
+    return this.hash(data);
+  }
+
+  /**
+   * Create a hash chain for multiple ledger entries
+   */
+  createHashChain(entries: Array<{ id: string; data: string }>): string[] {
+    const hashes: string[] = [];
+    let previousHash: string | undefined;
+
+    for (const entry of entries) {
+      const entryData = {
+        ...entry,
+        previousHash: previousHash || '',
+      };
+      const hash = this.hash(JSON.stringify(entryData));
+      hashes.push(hash);
+      previousHash = hash;
+    }
+
+    return hashes;
+  }
+
+  /**
+   * Verify hash chain integrity
+   */
+  verifyHashChain(entries: Array<{ id: string; data: string; hash: string }>): boolean {
+    let previousHash: string | undefined;
+
+    for (const entry of entries) {
+      const entryData = {
+        id: entry.id,
+        data: entry.data,
+        previousHash: previousHash || '',
+      };
+      const computedHash = this.hash(JSON.stringify(entryData));
+
+      if (computedHash !== entry.hash) {
+        return false;
+      }
+
+      previousHash = entry.hash;
+    }
+
+    return true;
+  }
+
+  /**
+   * Generate a secure random nonce
+   */
+  generateNonce(): string {
+    return crypto.randomBytes(16).toString('hex');
+  }
+
+  /**
+   * Create HMAC signature
+   */
+  createHMAC(data: string, secret: string): string {
+    return crypto.createHmac('sha256', secret).update(data).digest('hex');
+  }
+
+  /**
+   * Verify HMAC signature
+   */
+  verifyHMAC(data: string, secret: string, signature: string): boolean {
+    const computedSignature = this.createHMAC(data, secret);
+    return crypto.timingSafeEqual(
+      Buffer.from(computedSignature),
+      Buffer.from(signature)
+    );
+  }
+}
+
+export const encryptionService = new EncryptionService();
+

src/infrastructure/monitoring/logger.ts

@@ -0,0 +1,43 @@
+// Winston Logger Configuration
+
+import winston from 'winston';
+
+const logLevel = process.env.LOG_LEVEL || 'info';
+
+export const logger = winston.createLogger({
+  level: logLevel,
+  format: winston.format.combine(
+    winston.format.timestamp(),
+    winston.format.errors({ stack: true }),
+    winston.format.json()
+  ),
+  defaultMeta: { service: 'dbis-core-banking' },
+  transports: [
+    // Write all logs to console
+    new winston.transports.Console({
+      format: winston.format.combine(
+        winston.format.colorize(),
+        winston.format.simple()
+      ),
+    }),
+    // Write errors to error.log
+    new winston.transports.File({
+      filename: 'logs/error.log',
+      level: 'error',
+    }),
+    // Write all logs to combined.log
+    new winston.transports.File({
+      filename: 'logs/combined.log',
+    }),
+  ],
+});
+
+// Create logs directory if it doesn't exist
+import fs from 'fs';
+import path from 'path';
+
+const logsDir = path.join(process.cwd(), 'logs');
+if (!fs.existsSync(logsDir)) {
+  fs.mkdirSync(logsDir, { recursive: true });
+}
+

src/infrastructure/monitoring/metrics.ts

@@ -0,0 +1,117 @@
+// Prometheus Metrics Collection
+// Request duration, error rates, database performance
+
+import { logger } from './logger';
+
+// In production, this would use prom-client
+// For now, we'll create a simple metrics interface
+
+export interface Metrics {
+  requestDuration: Map<string, number[]>;
+  errorCount: Map<string, number>;
+  dbQueryDuration: Map<string, number[]>;
+}
+
+class MetricsService {
+  private metrics: Metrics = {
+    requestDuration: new Map(),
+    errorCount: new Map(),
+    dbQueryDuration: new Map(),
+  };
+
+  /**
+   * Record request duration
+   */
+  recordRequestDuration(path: string, method: string, duration: number): void {
+    const key = `${method}:${path}`;
+    if (!this.metrics.requestDuration.has(key)) {
+      this.metrics.requestDuration.set(key, []);
+    }
+    this.metrics.requestDuration.get(key)?.push(duration);
+  }
+
+  /**
+   * Record error
+   */
+  recordError(path: string, method: string, statusCode: number): void {
+    const key = `${method}:${path}:${statusCode}`;
+    const current = this.metrics.errorCount.get(key) || 0;
+    this.metrics.errorCount.set(key, current + 1);
+  }
+
+  /**
+   * Record database query duration
+   */
+  recordDbQuery(operation: string, duration: number): void {
+    if (!this.metrics.dbQueryDuration.has(operation)) {
+      this.metrics.dbQueryDuration.set(operation, []);
+    }
+    this.metrics.dbQueryDuration.get(operation)?.push(duration);
+  }
+
+  /**
+   * Get average request duration for a path
+   */
+  getAverageRequestDuration(path: string, method: string): number {
+    const key = `${method}:${path}`;
+    const durations = this.metrics.requestDuration.get(key) || [];
+    if (durations.length === 0) return 0;
+    return durations.reduce((a, b) => a + b, 0) / durations.length;
+  }
+
+  /**
+   * Get error count for a path
+   */
+  getErrorCount(path: string, method: string, statusCode: number): number {
+    const key = `${method}:${path}:${statusCode}`;
+    return this.metrics.errorCount.get(key) || 0;
+  }
+
+  /**
+   * Get metrics summary
+   */
+  getSummary(): {
+    requestDurations: Record<string, number>;
+    errorCounts: Record<string, number>;
+    dbQueryDurations: Record<string, number>;
+  } {
+    const requestDurations: Record<string, number> = {};
+    for (const [key, durations] of this.metrics.requestDuration.entries()) {
+      if (durations.length > 0) {
+        requestDurations[key] = durations.reduce((a, b) => a + b, 0) / durations.length;
+      }
+    }
+
+    const errorCounts: Record<string, number> = {};
+    for (const [key, count] of this.metrics.errorCount.entries()) {
+      errorCounts[key] = count;
+    }
+
+    const dbQueryDurations: Record<string, number> = {};
+    for (const [operation, durations] of this.metrics.dbQueryDuration.entries()) {
+      if (durations.length > 0) {
+        dbQueryDurations[operation] = durations.reduce((a, b) => a + b, 0) / durations.length;
+      }
+    }
+
+    return {
+      requestDurations,
+      errorCounts,
+      dbQueryDurations,
+    };
+  }
+
+  /**
+   * Reset metrics (useful for testing)
+   */
+  reset(): void {
+    this.metrics = {
+      requestDuration: new Map(),
+      errorCount: new Map(),
+      dbQueryDuration: new Map(),
+    };
+  }
+}
+
+export const metricsService = new MetricsService();
+

src/infrastructure/networking/secure-tunnel.service.ts

@@ -0,0 +1,27 @@
+// Secure Networking - Sovereign Encrypted Tunnels
+
+import { logger } from '@/infrastructure/monitoring/logger';
+import { encryptionService } from '@/infrastructure/encryption/encryption.service';
+
+export class SecureTunnelService {
+  /**
+   * Create encrypted tunnel
+   */
+  async createTunnel(sovereignBankId: string, targetBankId: string): Promise<string> {
+    // In production, this would establish encrypted VPN tunnel
+    const tunnelId = `TUNNEL-${sovereignBankId}-${targetBankId}`;
+    logger.info(`Creating secure tunnel: ${tunnelId}`);
+    return tunnelId;
+  }
+
+  /**
+   * Verify tunnel integrity
+   */
+  async verifyIntegrity(tunnelId: string): Promise<boolean> {
+    // In production, this would check tunnel health
+    return true;
+  }
+}
+
+export const secureTunnelService = new SecureTunnelService();
+

src/infrastructure/quantum/migration-roadmap.service.ts

@@ -0,0 +1,246 @@
+// Quantum Migration Roadmap Service
+// Phase tracking, component migration status
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+
+
+export interface PhaseData {
+  phaseNumber: number;
+  phaseName: string;
+  description: string;
+  targetComponents: string[];
+}
+
+export interface MigrationStatus {
+  phaseId: string;
+  componentType: string;
+  componentId: string;
+  migrationStatus: string;
+  oldKeyId?: string;
+  newKeyId?: string;
+}
+
+export class MigrationRoadmapService {
+  /**
+   * Initialize migration phases
+   */
+  async initializePhases() {
+    const phases: PhaseData[] = [
+      {
+        phaseNumber: 1,
+        phaseName: 'Phase I - Hybrid Cryptography Integration',
+        description:
+          'DBIS implements ECC-521 + PQC dual signatures, SHA-3 + XMSS hash chains, Hybrid TLS (ECDHE + Kyber)',
+        targetComponents: ['ledger', 'api', 'cbdc', 'smart_contract', 'identity'],
+      },
+      {
+        phaseNumber: 2,
+        phaseName: 'Phase II - Full PQC Transition',
+        description:
+          'Migration to CRYSTALS-Kyber for key exchange, CRYSTALS-Dilithium for signatures, XMSS or SPHINCS+ for ledger notarization, PQ-HSM modules',
+        targetComponents: ['ledger', 'api', 'cbdc', 'smart_contract', 'identity'],
+      },
+      {
+        phaseNumber: 3,
+        phaseName: 'Phase III - Quantum-Native Ledger Protocol',
+        description:
+          'Quantum-resistant state commitments, PQ smart contract signatures, CBDC quantum envelope protocol',
+        targetComponents: ['ledger', 'cbdc', 'smart_contract'],
+      },
+    ];
+
+    for (const phaseData of phases) {
+      const existing = await prisma.quantumMigrationPhase.findFirst({
+        where: { phaseNumber: phaseData.phaseNumber },
+      });
+
+      if (!existing) {
+        await prisma.quantumMigrationPhase.create({
+          data: {
+            id: uuidv4(),
+            phaseNumber: phaseData.phaseNumber,
+            phaseName: phaseData.phaseName,
+            description: phaseData.description,
+            targetComponents: phaseData.targetComponents,
+            status: phaseData.phaseNumber === 1 ? 'in_progress' : 'planned',
+          },
+        });
+      }
+    }
+  }
+
+  /**
+   * Get phase by number
+   */
+  async getPhase(phaseNumber: number) {
+    return await prisma.quantumMigrationPhase.findFirst({
+      where: { phaseNumber },
+      include: { migrations: true },
+    });
+  }
+
+  /**
+   * Get all phases
+   */
+  async getAllPhases() {
+    return await prisma.quantumMigrationPhase.findMany({
+      include: { migrations: true },
+      orderBy: { phaseNumber: 'asc' },
+    });
+  }
+
+  /**
+   * Start phase
+   */
+  async startPhase(phaseNumber: number) {
+    const phase = await prisma.quantumMigrationPhase.findFirst({
+      where: { phaseNumber },
+    });
+
+    if (!phase) {
+      throw new Error(`Phase ${phaseNumber} not found`);
+    }
+
+    return await prisma.quantumMigrationPhase.update({
+      where: { id: phase.id },
+      data: {
+        status: 'in_progress',
+        startDate: new Date(),
+      },
+    });
+  }
+
+  /**
+   * Complete phase
+   */
+  async completePhase(phaseNumber: number) {
+    const phase = await prisma.quantumMigrationPhase.findFirst({
+      where: { phaseNumber },
+      include: { migrations: true },
+    });
+
+    if (!phase) {
+      throw new Error(`Phase ${phaseNumber} not found`);
+    }
+
+    // Check if all migrations are completed
+    const incompleteMigrations = phase.migrations.filter(
+      (m) => m.migrationStatus !== 'completed'
+    );
+
+    if (incompleteMigrations.length > 0) {
+      throw new Error(
+        `Cannot complete phase: ${incompleteMigrations.length} migrations still incomplete`
+      );
+    }
+
+    return await prisma.quantumMigrationPhase.update({
+      where: { id: phase.id },
+      data: {
+        status: 'completed',
+        completionDate: new Date(),
+      },
+    });
+  }
+
+  /**
+   * Register component migration
+   */
+  async registerMigration(data: MigrationStatus) {
+    const phase = await prisma.quantumMigrationPhase.findUnique({
+      where: { id: data.phaseId },
+    });
+
+    if (!phase) {
+      throw new Error(`Phase not found: ${data.phaseId}`);
+    }
+
+    const migration = await prisma.migrationAudit.create({
+      data: {
+        id: uuidv4(),
+        phaseId: data.phaseId,
+        componentType: data.componentType,
+        componentId: data.componentId,
+        migrationStatus: data.migrationStatus,
+        oldKeyId: data.oldKeyId,
+        newKeyId: data.newKeyId,
+      },
+    });
+
+    return migration;
+  }
+
+  /**
+   * Update migration status
+   */
+  async updateMigrationStatus(
+    migrationId: string,
+    status: string,
+    newKeyId?: string
+  ) {
+    const updateData: {
+      migrationStatus: string;
+      newKeyId?: string;
+      migrationDate?: Date;
+    } = {
+      migrationStatus: status,
+    };
+
+    if (newKeyId) {
+      updateData.newKeyId = newKeyId;
+    }
+
+    if (status === 'completed') {
+      updateData.migrationDate = new Date();
+    }
+
+    return await prisma.migrationAudit.update({
+      where: { id: migrationId },
+      data: updateData,
+    });
+  }
+
+  /**
+   * Get migration status for component
+   */
+  async getComponentMigrationStatus(componentType: string, componentId: string) {
+    return await prisma.migrationAudit.findMany({
+      where: {
+        componentType,
+        componentId,
+      },
+      include: {
+        phase: true,
+      },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
+  /**
+   * Get overall migration progress
+   */
+  async getMigrationProgress() {
+    const phases = await this.getAllPhases();
+    const totalComponents = phases.reduce(
+      (sum, phase) => sum + (phase.targetComponents as string[]).length,
+      0
+    );
+
+    const allMigrations = await prisma.migrationAudit.findMany();
+    const completedMigrations = allMigrations.filter(
+      (m) => m.migrationStatus === 'completed'
+    ).length;
+
+    return {
+      totalPhases: phases.length,
+      completedPhases: phases.filter((p) => p.status === 'completed').length,
+      totalComponents,
+      completedMigrations,
+      progressPercentage: totalComponents > 0 ? (completedMigrations / totalComponents) * 100 : 0,
+    };
+  }
+}
+
+export const migrationRoadmapService = new MigrationRoadmapService();
+

src/infrastructure/quantum/pqc-key-manager.service.ts

@@ -0,0 +1,196 @@
+// PQC Key Manager Service
+// CRYSTALS-Kyber/Dilithium key lifecycle management
+
+import prisma from '@/shared/database/prisma';
+import { quantumCryptoService } from './quantum-crypto.service';
+
+
+export interface KeyLifecycleEvent {
+  keyId: string;
+  event: 'created' | 'activated' | 'rotated' | 'revoked' | 'expired';
+  timestamp: Date;
+  metadata?: Record<string, unknown>;
+}
+
+export class PQCKeyManagerService {
+  /**
+   * Create CRYSTALS-Kyber key pair for key exchange
+   */
+  async createKyberKeyPair(keyPurpose: string) {
+    return await quantumCryptoService.generatePQCKeyPair('CRYSTALS-Kyber', keyPurpose);
+  }
+
+  /**
+   * Create CRYSTALS-Dilithium key pair for signatures
+   */
+  async createDilithiumKeyPair(keyPurpose: string) {
+    return await quantumCryptoService.generatePQCKeyPair('CRYSTALS-Dilithium', keyPurpose);
+  }
+
+  /**
+   * Get key by ID
+   */
+  async getKey(keyId: string) {
+    return await prisma.cryptographicKey.findUnique({
+      where: { keyId },
+    });
+  }
+
+  /**
+   * Get keys by purpose
+   */
+  async getKeysByPurpose(keyPurpose: string) {
+    return await prisma.cryptographicKey.findMany({
+      where: {
+        keyPurpose,
+        status: 'active',
+      },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
+  /**
+   * Get keys by type
+   */
+  async getKeysByType(keyType: string) {
+    return await prisma.cryptographicKey.findMany({
+      where: {
+        keyType,
+        status: 'active',
+      },
+      orderBy: { createdAt: 'desc' },
+    });
+  }
+
+  /**
+   * Rotate key
+   */
+  async rotateKey(keyId: string, newKeyPurpose?: string) {
+    const oldKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId },
+    });
+
+    if (!oldKey) {
+      throw new Error(`Key not found: ${keyId}`);
+    }
+
+    // Determine algorithm from key type
+    let algorithm: 'CRYSTALS-Kyber' | 'CRYSTALS-Dilithium';
+    if (oldKey.keyType === 'pqc_kyber') {
+      algorithm = 'CRYSTALS-Kyber';
+    } else if (oldKey.keyType === 'pqc_dilithium') {
+      algorithm = 'CRYSTALS-Dilithium';
+    } else {
+      throw new Error(`Key type ${oldKey.keyType} is not a PQC key`);
+    }
+
+    // Generate new key
+    const newKey = await quantumCryptoService.generatePQCKeyPair(
+      algorithm,
+      newKeyPurpose || oldKey.keyPurpose
+    );
+
+    // Mark old key as rotated
+    await prisma.cryptographicKey.update({
+      where: { keyId },
+      data: {
+        status: 'rotated',
+        rotatedAt: new Date(),
+      },
+    });
+
+    return newKey;
+  }
+
+  /**
+   * Revoke key
+   */
+  async revokeKey(keyId: string, reason?: string) {
+    return await prisma.cryptographicKey.update({
+      where: { keyId },
+      data: {
+        status: 'revoked',
+      },
+    });
+  }
+
+  /**
+   * Check key expiration
+   */
+  async checkKeyExpiration(keyId: string): Promise<boolean> {
+    const key = await prisma.cryptographicKey.findUnique({
+      where: { keyId },
+    });
+
+    if (!key || !key.expiresAt) {
+      return false;
+    }
+
+    return key.expiresAt < new Date();
+  }
+
+  /**
+   * Get expiring keys
+   */
+  async getExpiringKeys(daysAhead: number = 30) {
+    const thresholdDate = new Date();
+    thresholdDate.setDate(thresholdDate.getDate() + daysAhead);
+
+    return await prisma.cryptographicKey.findMany({
+      where: {
+        status: 'active',
+        expiresAt: {
+          lte: thresholdDate,
+          gte: new Date(),
+        },
+      },
+      orderBy: { expiresAt: 'asc' },
+    });
+  }
+
+  /**
+   * Update sovereign identity with quantum key
+   */
+  async updateSovereignIdentityWithQuantumKey(
+    sovereignIdentityId: string,
+    quantumKeyId: string
+  ) {
+    const key = await prisma.cryptographicKey.findUnique({
+      where: { keyId: quantumKeyId },
+    });
+
+    if (!key) {
+      throw new Error(`Quantum key not found: ${quantumKeyId}`);
+    }
+
+    if (!key.keyType.startsWith('pqc_') && key.keyType !== 'hybrid') {
+      throw new Error(`Key ${quantumKeyId} is not a quantum-safe key`);
+    }
+
+    return await prisma.sovereignIdentity.update({
+      where: { id: sovereignIdentityId },
+      data: {
+        quantumKeyId,
+        isQuantumEnabled: true,
+      },
+    });
+  }
+
+  /**
+   * Get quantum-enabled identities
+   */
+  async getQuantumEnabledIdentities() {
+    return await prisma.sovereignIdentity.findMany({
+      where: {
+        isQuantumEnabled: true,
+        status: 'active',
+      },
+      include: {
+        sovereignBank: true,
+      },
+    });
+  }
+}
+
+export const pqcKeyManagerService = new PQCKeyManagerService();
+

src/infrastructure/quantum/proxy/quantum-compatibility.service.ts

@@ -0,0 +1,263 @@
+// Quantum Compatibility Service
+// Universal compatibility layer for legacy protocols
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface CompatibilityCheckRequest {
+  legacyProtocol: 'SWIFT' | 'ISO20022' | 'ACH' | 'SEPA' | 'PRIVATE_BANK';
+  transactionData: any;
+}
+
+export interface CompatibilityCheckResult {
+  compatible: boolean;
+  compatibilityScore: number;
+  issues: string[];
+  recommendations: string[];
+}
+
+export class QuantumCompatibilityService {
+  /**
+   * Check compatibility of legacy protocol with quantum systems
+   */
+  async checkCompatibility(
+    request: CompatibilityCheckRequest
+  ): Promise<CompatibilityCheckResult> {
+    logger.info('QPS: Checking compatibility', {
+      legacyProtocol: request.legacyProtocol,
+    });
+
+    const issues: string[] = [];
+    const recommendations: string[] = [];
+    let compatibilityScore = 100;
+
+    // Check protocol-specific compatibility
+    switch (request.legacyProtocol) {
+      case 'SWIFT':
+        compatibilityScore = await this.checkSwiftCompatibility(
+          request.transactionData,
+          issues,
+          recommendations
+        );
+        break;
+
+      case 'ISO20022':
+        compatibilityScore = await this.checkIso20022Compatibility(
+          request.transactionData,
+          issues,
+          recommendations
+        );
+        break;
+
+      case 'ACH':
+        compatibilityScore = await this.checkAchCompatibility(
+          request.transactionData,
+          issues,
+          recommendations
+        );
+        break;
+
+      case 'SEPA':
+        compatibilityScore = await this.checkSepaCompatibility(
+          request.transactionData,
+          issues,
+          recommendations
+        );
+        break;
+
+      case 'PRIVATE_BANK':
+        compatibilityScore = await this.checkPrivateBankCompatibility(
+          request.transactionData,
+          issues,
+          recommendations
+        );
+        break;
+
+      default:
+        issues.push(`Unknown protocol: ${request.legacyProtocol}`);
+        compatibilityScore = 0;
+    }
+
+    const compatible = compatibilityScore >= 70;
+
+    return {
+      compatible,
+      compatibilityScore,
+      issues,
+      recommendations,
+    };
+  }
+
+  /**
+   * Check SWIFT compatibility
+   */
+  private async checkSwiftCompatibility(
+    transactionData: any,
+    issues: string[],
+    recommendations: string[]
+  ): Promise<number> {
+    let score = 90; // SWIFT is highly compatible
+
+    // Check required fields
+    if (!transactionData.sender) {
+      issues.push('Missing sender field');
+      score -= 10;
+    }
+    if (!transactionData.receiver) {
+      issues.push('Missing receiver field');
+      score -= 10;
+    }
+    if (!transactionData.amount) {
+      issues.push('Missing amount field');
+      score -= 10;
+    }
+
+    if (score < 90) {
+      recommendations.push('Ensure all required SWIFT fields are present');
+    }
+
+    return Math.max(0, score);
+  }
+
+  /**
+   * Check ISO20022 compatibility
+   */
+  private async checkIso20022Compatibility(
+    transactionData: any,
+    issues: string[],
+    recommendations: string[]
+  ): Promise<number> {
+    let score = 95; // ISO20022 is highly compatible (standard format)
+
+    // ISO20022 is already quantum-compatible
+    if (!transactionData.debtor && !transactionData.creditor) {
+      issues.push('Missing debtor/creditor fields');
+      score -= 5;
+    }
+
+    return Math.max(0, score);
+  }
+
+  /**
+   * Check ACH compatibility
+   */
+  private async checkAchCompatibility(
+    transactionData: any,
+    issues: string[],
+    recommendations: string[]
+  ): Promise<number> {
+    let score = 85; // ACH is compatible but may need conversion
+
+    if (!transactionData.originator) {
+      issues.push('Missing originator field');
+      score -= 10;
+    }
+    if (!transactionData.receiver) {
+      issues.push('Missing receiver field');
+      score -= 10;
+    }
+
+    recommendations.push('ACH transactions may require domestic currency conversion');
+
+    return Math.max(0, score);
+  }
+
+  /**
+   * Check SEPA compatibility
+   */
+  private async checkSepaCompatibility(
+    transactionData: any,
+    issues: string[],
+    recommendations: string[]
+  ): Promise<number> {
+    let score = 90; // SEPA is compatible (EU standard)
+
+    if (!transactionData.debtor) {
+      issues.push('Missing debtor field');
+      score -= 10;
+    }
+    if (!transactionData.creditor) {
+      issues.push('Missing creditor field');
+      score -= 10;
+    }
+
+    if (transactionData.currencyCode !== 'EUR') {
+      recommendations.push('SEPA transactions should use EUR currency');
+      score -= 5;
+    }
+
+    return Math.max(0, score);
+  }
+
+  /**
+   * Check private bank compatibility
+   */
+  private async checkPrivateBankCompatibility(
+    transactionData: any,
+    issues: string[],
+    recommendations: string[]
+  ): Promise<number> {
+    let score = 70; // Private bank protocols vary
+
+    if (!transactionData.from) {
+      issues.push('Missing from field');
+      score -= 15;
+    }
+    if (!transactionData.to) {
+      issues.push('Missing to field');
+      score -= 15;
+    }
+
+    recommendations.push('Private bank protocols may require custom mapping');
+    recommendations.push('Verify transaction format matches expected schema');
+
+    return Math.max(0, score);
+  }
+
+  /**
+   * Register protocol mapping
+   */
+  async registerProtocolMapping(
+    legacyProtocol: string,
+    mappingConfig: any
+  ): Promise<string> {
+    const mappingId = `QPS-MAP-${uuidv4()}`;
+
+    await prisma.legacyProtocolMapping.create({
+      data: {
+        mappingId,
+        legacyProtocol,
+        mappingConfig: mappingConfig as any,
+        status: 'active',
+      },
+    });
+
+    logger.info('QPS: Protocol mapping registered', {
+      mappingId,
+      legacyProtocol,
+    });
+
+    return mappingId;
+  }
+
+  /**
+   * Get protocol mapping
+   */
+  async getProtocolMapping(legacyProtocol: string) {
+    return await prisma.legacyProtocolMapping.findFirst({
+      where: { legacyProtocol, status: 'active' },
+    });
+  }
+
+  /**
+   * List all supported protocols
+   */
+  async listSupportedProtocols(): Promise<string[]> {
+    return ['SWIFT', 'ISO20022', 'ACH', 'SEPA', 'PRIVATE_BANK'];
+  }
+}
+
+export const quantumCompatibilityService = new QuantumCompatibilityService();
+

src/infrastructure/quantum/proxy/quantum-envelope.service.ts

@@ -0,0 +1,221 @@
+// Quantum Envelope Service
+// Quantum envelope creation for legacy transactions
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { createHash } from 'crypto';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface QuantumEnvelopeRequest {
+  legacyTransactionId: string;
+  legacyProtocol: string;
+  transactionData: any;
+}
+
+export interface QuantumEnvelopeResult {
+  envelopeId: string;
+  quantumHash: string;
+  causalConsistencyHash: string;
+  dimensionalHarmonizationHash: string;
+}
+
+export class QuantumEnvelopeService {
+  /**
+   * Create quantum envelope for legacy transaction
+   * Includes causal-consistency enforcement and dimensional harmonization
+   */
+  async createQuantumEnvelope(
+    request: QuantumEnvelopeRequest
+  ): Promise<QuantumEnvelopeResult> {
+    logger.info('QPS: Creating quantum envelope', {
+      legacyTransactionId: request.legacyTransactionId,
+    });
+
+    const envelopeId = `QPS-ENV-${uuidv4()}`;
+
+    // Step 1: Create quantum hash
+    const quantumHash = this.createQuantumHash(request.transactionData);
+
+    // Step 2: Create causal-consistency hash
+    const causalConsistencyHash = await this.createCausalConsistencyHash(
+      request.transactionData
+    );
+
+    // Step 3: Create dimensional harmonization hash
+    const dimensionalHarmonizationHash =
+      await this.createDimensionalHarmonizationHash(request.transactionData);
+
+    // Step 4: Create envelope record
+    const envelope = await prisma.quantumEnvelope.create({
+      data: {
+        envelopeId,
+        legacyTransactionId: request.legacyTransactionId,
+        legacyProtocol: request.legacyProtocol,
+        quantumHash,
+        causalConsistencyHash,
+        dimensionalHarmonizationHash,
+        transactionData: request.transactionData as any,
+        status: 'created',
+      },
+    });
+
+    logger.info('QPS: Quantum envelope created', { envelopeId });
+
+    return {
+      envelopeId,
+      quantumHash,
+      causalConsistencyHash,
+      dimensionalHarmonizationHash,
+    };
+  }
+
+  /**
+   * Create quantum hash
+   */
+  private createQuantumHash(transactionData: any): string {
+    const dataString = JSON.stringify(transactionData);
+    // Use SHA-3-256 for quantum-safe hashing
+    return createHash('sha3-256').update(dataString).digest('hex');
+  }
+
+  /**
+   * Create causal-consistency hash
+   * Ensures transaction causality is preserved across quantum systems
+   */
+  private async createCausalConsistencyHash(transactionData: any): Promise<string> {
+    // Get previous transaction hash for causal chain
+    const previousHash = await this.getPreviousTransactionHash(
+      transactionData.sourceBankId
+    );
+
+    const causalData = {
+      transactionData,
+      previousHash,
+      timestamp: new Date().toISOString(),
+      causalOrder: await this.getCausalOrder(transactionData),
+    };
+
+    const causalString = JSON.stringify(causalData);
+    return createHash('sha3-256').update(causalString).digest('hex');
+  }
+
+  /**
+   * Create dimensional harmonization hash
+   * Ensures transaction is consistent across dimensions (classical, quantum, multiversal)
+   */
+  private async createDimensionalHarmonizationHash(
+    transactionData: any
+  ): Promise<string> {
+    const dimensionalData = {
+      transactionData,
+      classicalState: await this.getClassicalState(transactionData),
+      quantumState: await this.getQuantumState(transactionData),
+      multiversalState: await this.getMultiversalState(transactionData),
+      harmonizationTimestamp: new Date().toISOString(),
+    };
+
+    const dimensionalString = JSON.stringify(dimensionalData);
+    return createHash('sha3-256').update(dimensionalString).digest('hex');
+  }
+
+  /**
+   * Get previous transaction hash for causal chain
+   */
+  private async getPreviousTransactionHash(
+    sourceBankId: string
+  ): Promise<string | null> {
+    const lastTransaction = await prisma.quantumProxyTransaction.findFirst({
+      where: { sourceBankId },
+      orderBy: { createdAt: 'desc' },
+    });
+
+    return lastTransaction?.quantumEnvelopeId || null;
+  }
+
+  /**
+   * Get causal order for transaction
+   */
+  private async getCausalOrder(transactionData: any): Promise<number> {
+    // Get count of transactions from source bank
+    const count = await prisma.quantumProxyTransaction.count({
+      where: { sourceBankId: transactionData.sourceBankId },
+    });
+
+    return count + 1;
+  }
+
+  /**
+   * Get classical state
+   */
+  private async getClassicalState(transactionData: any): Promise<any> {
+    // In production, would fetch from classical ledger
+    return {
+      ledgerState: 'classical',
+      verified: true,
+    };
+  }
+
+  /**
+   * Get quantum state
+   */
+  private async getQuantumState(transactionData: any): Promise<any> {
+    // In production, would fetch from quantum ledger
+    return {
+      ledgerState: 'quantum',
+      verified: true,
+    };
+  }
+
+  /**
+   * Get multiversal state
+   */
+  private async getMultiversalState(transactionData: any): Promise<any> {
+    // In production, would fetch from multiversal ledger
+    return {
+      ledgerState: 'multiversal',
+      verified: true,
+    };
+  }
+
+  /**
+   * Get envelope by ID
+   */
+  async getEnvelope(envelopeId: string) {
+    return await prisma.quantumEnvelope.findUnique({
+      where: { envelopeId },
+    });
+  }
+
+  /**
+   * Verify envelope integrity
+   */
+  async verifyEnvelopeIntegrity(envelopeId: string): Promise<boolean> {
+    const envelope = await prisma.quantumEnvelope.findUnique({
+      where: { envelopeId },
+    });
+
+    if (!envelope) {
+      return false;
+    }
+
+    // Recalculate hashes and verify
+    const quantumHash = this.createQuantumHash(envelope.transactionData as any);
+    const causalConsistencyHash = await this.createCausalConsistencyHash(
+      envelope.transactionData as any
+    );
+    const dimensionalHarmonizationHash =
+      await this.createDimensionalHarmonizationHash(
+        envelope.transactionData as any
+      );
+
+    return (
+      quantumHash === envelope.quantumHash &&
+      causalConsistencyHash === envelope.causalConsistencyHash &&
+      dimensionalHarmonizationHash === envelope.dimensionalHarmonizationHash
+    );
+  }
+}
+
+export const quantumEnvelopeService = new QuantumEnvelopeService();
+

src/infrastructure/quantum/proxy/quantum-proxy.routes.ts

@@ -0,0 +1,231 @@
+// Quantum Proxy Server API Routes
+
+import { Router } from 'express';
+import { quantumProxyService } from './quantum-proxy.service';
+import { quantumEnvelopeService } from './quantum-envelope.service';
+import { quantumTranslationService } from './quantum-translation.service';
+import { quantumCompatibilityService } from './quantum-compatibility.service';
+import { zeroTrustAuthMiddleware } from '@/integration/api-gateway/middleware/auth.middleware';
+
+const router = Router();
+
+/**
+ * @route POST /api/quantum-proxy/bridge
+ * @desc Bridge transaction from legacy system to DBIS QFS
+ */
+router.post(
+  '/bridge',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await quantumProxyService.bridgeTransaction(req.body);
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/transaction/:proxyTransactionId
+ * @desc Get proxy transaction by ID
+ */
+router.get(
+  '/transaction/:proxyTransactionId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const transaction = await quantumProxyService.getProxyTransaction(
+        req.params.proxyTransactionId
+      );
+      if (!transaction) {
+        return res.status(404).json({ error: 'Transaction not found' });
+      }
+      res.json(transaction);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/transactions/bank/:sovereignBankId
+ * @desc Get proxy transactions for a bank
+ */
+router.get(
+  '/transactions/bank/:sovereignBankId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const transactions = await quantumProxyService.getProxyTransactionsForBank(
+        req.params.sovereignBankId
+      );
+      res.json(transactions);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/transactions/protocol/:legacyProtocol
+ * @desc Get proxy transactions by legacy protocol
+ */
+router.get(
+  '/transactions/protocol/:legacyProtocol',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const limit = parseInt(req.query.limit as string) || 100;
+      const transactions = await quantumProxyService.getProxyTransactionsByProtocol(
+        req.params.legacyProtocol,
+        limit
+      );
+      res.json(transactions);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/envelope/:envelopeId
+ * @desc Get quantum envelope by ID
+ */
+router.get(
+  '/envelope/:envelopeId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const envelope = await quantumEnvelopeService.getEnvelope(
+        req.params.envelopeId
+      );
+      if (!envelope) {
+        return res.status(404).json({ error: 'Envelope not found' });
+      }
+      res.json(envelope);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/quantum-proxy/envelope/:envelopeId/verify
+ * @desc Verify envelope integrity
+ */
+router.post(
+  '/envelope/:envelopeId/verify',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const verified = await quantumEnvelopeService.verifyEnvelopeIntegrity(
+        req.params.envelopeId
+      );
+      res.json({ envelopeId: req.params.envelopeId, verified });
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/quantum-proxy/translate
+ * @desc Translate legacy transaction to quantum-compatible format
+ */
+router.post(
+  '/translate',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await quantumTranslationService.translateLegacyTransaction(
+        req.body
+      );
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/translation/:translationId
+ * @desc Get translation by ID
+ */
+router.get(
+  '/translation/:translationId',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const translation = await quantumTranslationService.getTranslation(
+        req.params.translationId
+      );
+      if (!translation) {
+        return res.status(404).json({ error: 'Translation not found' });
+      }
+      res.json(translation);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/quantum-proxy/compatibility/check
+ * @desc Check compatibility of legacy protocol
+ */
+router.post(
+  '/compatibility/check',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const result = await quantumCompatibilityService.checkCompatibility(
+        req.body
+      );
+      res.json(result);
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route GET /api/quantum-proxy/compatibility/protocols
+ * @desc List all supported protocols
+ */
+router.get(
+  '/compatibility/protocols',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const protocols = await quantumCompatibilityService.listSupportedProtocols();
+      res.json({ protocols });
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+/**
+ * @route POST /api/quantum-proxy/compatibility/mapping
+ * @desc Register protocol mapping
+ */
+router.post(
+  '/compatibility/mapping',
+  zeroTrustAuthMiddleware,
+  async (req, res, next) => {
+    try {
+      const { legacyProtocol, mappingConfig } = req.body;
+      const mappingId = await quantumCompatibilityService.registerProtocolMapping(
+        legacyProtocol,
+        mappingConfig
+      );
+      res.json({ mappingId, legacyProtocol });
+    } catch (error) {
+      next(error);
+    }
+  }
+);
+
+export default router;
+

src/infrastructure/quantum/proxy/quantum-proxy.service.ts

@@ -0,0 +1,225 @@
+// Quantum Proxy Server (QPS)
+// Main QPS transaction bridging
+// Transaction path: legacy_tx → QPS → quantum_wrap → DBIS_QFS
+
+import prisma from '@/shared/database/prisma';
+import { Decimal } from '@prisma/client/runtime/library';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+import { quantumEnvelopeService } from './quantum-envelope.service';
+import { quantumTranslationService } from './quantum-translation.service';
+
+
+export interface QuantumProxyRequest {
+  legacyTransactionId: string;
+  legacyProtocol: 'SWIFT' | 'ISO20022' | 'ACH' | 'SEPA' | 'PRIVATE_BANK';
+  sourceBankId: string;
+  destinationBankId: string;
+  amount: string;
+  currencyCode: string;
+  transactionData: any; // Legacy transaction data
+}
+
+export interface QuantumProxyResult {
+  proxyTransactionId: string;
+  quantumEnvelopeId: string;
+  dbisQfsTransactionId: string;
+  status: string;
+  translationId: string;
+}
+
+export class QuantumProxyService {
+  /**
+   * Bridge transaction from legacy system to DBIS QFS
+   * Transaction path: legacy_tx → QPS → quantum_wrap → DBIS_QFS
+   */
+  async bridgeTransaction(
+    request: QuantumProxyRequest
+  ): Promise<QuantumProxyResult> {
+    logger.info('QPS: Bridging transaction from legacy system', {
+      legacyTransactionId: request.legacyTransactionId,
+      legacyProtocol: request.legacyProtocol,
+    });
+
+    const proxyTransactionId = `QPS-${uuidv4()}`;
+
+    try {
+      // Step 1: Create quantum envelope
+      const envelopeResult = await quantumEnvelopeService.createQuantumEnvelope({
+        legacyTransactionId: request.legacyTransactionId,
+        legacyProtocol: request.legacyProtocol,
+        transactionData: request.transactionData,
+      });
+
+      // Step 2: Translate FX & risk for legacy protocols
+      const translationResult =
+        await quantumTranslationService.translateLegacyTransaction({
+          legacyProtocol: request.legacyProtocol,
+          transactionData: request.transactionData,
+          amount: request.amount,
+          currencyCode: request.currencyCode,
+        });
+
+      // Step 3: Create quantum-wrapped transaction
+      const quantumWrappedTx = await this.createQuantumWrappedTransaction({
+        proxyTransactionId,
+        envelopeId: envelopeResult.envelopeId,
+        sourceBankId: request.sourceBankId,
+        destinationBankId: request.destinationBankId,
+        amount: request.amount,
+        currencyCode: request.currencyCode,
+        translationData: translationResult,
+      });
+
+      // Step 4: Submit to DBIS QFS
+      const dbisQfsTransactionId = await this.submitToDbisQfs(
+        quantumWrappedTx
+      );
+
+      // Step 5: Create proxy transaction record
+      const proxyTransaction = await prisma.quantumProxyTransaction.create({
+        data: {
+          proxyTransactionId,
+          legacyTransactionId: request.legacyTransactionId,
+          legacyProtocol: request.legacyProtocol,
+          quantumEnvelopeId: envelopeResult.envelopeId,
+          translationId: translationResult.translationId,
+          dbisQfsTransactionId,
+          sourceBankId: request.sourceBankId,
+          destinationBankId: request.destinationBankId,
+          amount: new Decimal(request.amount),
+          currencyCode: request.currencyCode,
+          status: 'bridged',
+          bridgedAt: new Date(),
+        },
+      });
+
+      logger.info('QPS: Transaction bridged successfully', {
+        proxyTransactionId,
+        dbisQfsTransactionId,
+      });
+
+      return {
+        proxyTransactionId,
+        quantumEnvelopeId: envelopeResult.envelopeId,
+        dbisQfsTransactionId,
+        status: 'bridged',
+        translationId: translationResult.translationId,
+      };
+    } catch (error) {
+      logger.error('QPS: Transaction bridging failed', {
+        proxyTransactionId,
+        error: error instanceof Error ? error.message : String(error),
+      });
+
+      // Create failed transaction record
+      await prisma.quantumProxyTransaction.create({
+        data: {
+          proxyTransactionId,
+          legacyTransactionId: request.legacyTransactionId,
+          legacyProtocol: request.legacyProtocol,
+          sourceBankId: request.sourceBankId,
+          destinationBankId: request.destinationBankId,
+          amount: new Decimal(request.amount),
+          currencyCode: request.currencyCode,
+          status: 'failed',
+        },
+      });
+
+      throw error;
+    }
+  }
+
+  /**
+   * Create quantum-wrapped transaction
+   */
+  private async createQuantumWrappedTransaction(data: {
+    proxyTransactionId: string;
+    envelopeId: string;
+    sourceBankId: string;
+    destinationBankId: string;
+    amount: string;
+    currencyCode: string;
+    translationData: any;
+  }): Promise<any> {
+    return {
+      transactionId: data.proxyTransactionId,
+      envelopeId: data.envelopeId,
+      sourceBankId: data.sourceBankId,
+      destinationBankId: data.destinationBankId,
+      amount: data.amount,
+      currencyCode: data.currencyCode,
+      quantumWrapped: true,
+      translationData: data.translationData,
+      timestamp: new Date().toISOString(),
+    };
+  }
+
+  /**
+   * Submit to DBIS QFS (Quantum Financial System)
+   * In production, this would interface with the actual QFS
+   */
+  private async submitToDbisQfs(quantumWrappedTx: any): Promise<string> {
+    // Placeholder: In production, this would call the actual QFS API
+    const dbisQfsTransactionId = `QFS-${uuidv4()}`;
+
+    logger.info('QPS: Submitting to DBIS QFS', {
+      dbisQfsTransactionId,
+      quantumWrappedTx,
+    });
+
+    // Simulate QFS submission
+    // In production: await dbisQfsService.submitTransaction(quantumWrappedTx);
+
+    return dbisQfsTransactionId;
+  }
+
+  /**
+   * Get proxy transaction by ID
+   */
+  async getProxyTransaction(proxyTransactionId: string) {
+    return await prisma.quantumProxyTransaction.findUnique({
+      where: { proxyTransactionId },
+      include: {
+        envelope: true,
+        translation: true,
+      },
+    });
+  }
+
+  /**
+   * Get proxy transactions for a bank
+   */
+  async getProxyTransactionsForBank(sovereignBankId: string) {
+    return await prisma.quantumProxyTransaction.findMany({
+      where: {
+        OR: [
+          { sourceBankId: sovereignBankId },
+          { destinationBankId: sovereignBankId },
+        ],
+      },
+      orderBy: { createdAt: 'desc' },
+      include: {
+        envelope: true,
+        translation: true,
+      },
+    });
+  }
+
+  /**
+   * Get proxy transactions by legacy protocol
+   */
+  async getProxyTransactionsByProtocol(
+    legacyProtocol: string,
+    limit: number = 100
+  ) {
+    return await prisma.quantumProxyTransaction.findMany({
+      where: { legacyProtocol },
+      orderBy: { createdAt: 'desc' },
+      take: limit,
+    });
+  }
+}
+
+export const quantumProxyService = new QuantumProxyService();
+

src/infrastructure/quantum/proxy/quantum-translation.service.ts

@@ -0,0 +1,285 @@
+// Quantum Translation Service
+// FX & risk translation for legacy protocols
+
+import prisma from '@/shared/database/prisma';
+import { Decimal } from '@prisma/client/runtime/library';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface QuantumTranslationRequest {
+  legacyProtocol: 'SWIFT' | 'ISO20022' | 'ACH' | 'SEPA' | 'PRIVATE_BANK';
+  transactionData: any;
+  amount: string;
+  currencyCode: string;
+}
+
+export interface QuantumTranslationResult {
+  translationId: string;
+  fxRate: Decimal;
+  riskScore: Decimal;
+  quantumCompatibleAmount: Decimal;
+  quantumCompatibleCurrency: string;
+  protocolMapping: any;
+}
+
+export class QuantumTranslationService {
+  /**
+   * Translate legacy transaction to quantum-compatible format
+   * Handles FX conversion and risk assessment
+   */
+  async translateLegacyTransaction(
+    request: QuantumTranslationRequest
+  ): Promise<QuantumTranslationResult> {
+    logger.info('QPS: Translating legacy transaction', {
+      legacyProtocol: request.legacyProtocol,
+    });
+
+    const translationId = `QPS-TRANS-${uuidv4()}`;
+
+    // Step 1: Get protocol mapping
+    const protocolMapping = await this.getProtocolMapping(request.legacyProtocol);
+
+    // Step 2: Translate FX
+    const fxTranslation = await this.translateFx({
+      amount: request.amount,
+      currencyCode: request.currencyCode,
+      legacyProtocol: request.legacyProtocol,
+    });
+
+    // Step 3: Translate risk
+    const riskTranslation = await this.translateRisk({
+      transactionData: request.transactionData,
+      legacyProtocol: request.legacyProtocol,
+    });
+
+    // Step 4: Create quantum-compatible format
+    const quantumCompatibleAmount = fxTranslation.quantumAmount;
+    const quantumCompatibleCurrency = fxTranslation.quantumCurrency;
+
+    // Step 5: Save translation record
+    const translation = await prisma.quantumTranslation.create({
+      data: {
+        translationId,
+        legacyProtocol: request.legacyProtocol,
+        legacyAmount: new Decimal(request.amount),
+        legacyCurrency: request.currencyCode,
+        quantumAmount: quantumCompatibleAmount,
+        quantumCurrency: quantumCompatibleCurrency,
+        fxRate: fxTranslation.fxRate,
+        riskScore: riskTranslation.riskScore,
+        protocolMapping: protocolMapping as any,
+        transactionData: request.transactionData as any,
+        status: 'completed',
+      },
+    });
+
+    logger.info('QPS: Translation completed', {
+      translationId,
+      quantumAmount: quantumCompatibleAmount.toString(),
+    });
+
+    return {
+      translationId,
+      fxRate: fxTranslation.fxRate,
+      riskScore: riskTranslation.riskScore,
+      quantumCompatibleAmount,
+      quantumCompatibleCurrency,
+      protocolMapping,
+    };
+  }
+
+  /**
+   * Get protocol mapping for legacy protocol
+   */
+  private async getProtocolMapping(
+    legacyProtocol: string
+  ): Promise<any> {
+    const mapping = await prisma.legacyProtocolMapping.findFirst({
+      where: { legacyProtocol, status: 'active' },
+    });
+
+    if (mapping) {
+      return mapping.mappingConfig;
+    }
+
+    // Default mappings
+    const defaultMappings: Record<string, any> = {
+      SWIFT: {
+        messageType: 'MT103',
+        quantumFormat: 'ISO20022',
+        fieldMapping: {
+          sender: 'sourceBankId',
+          receiver: 'destinationBankId',
+          amount: 'amount',
+          currency: 'currencyCode',
+        },
+      },
+      ISO20022: {
+        messageType: 'pacs.008',
+        quantumFormat: 'ISO20022',
+        fieldMapping: {
+          debtor: 'sourceBankId',
+          creditor: 'destinationBankId',
+          amount: 'amount',
+          currency: 'currencyCode',
+        },
+      },
+      ACH: {
+        messageType: 'ACH',
+        quantumFormat: 'ISO20022',
+        fieldMapping: {
+          originator: 'sourceBankId',
+          receiver: 'destinationBankId',
+          amount: 'amount',
+          currency: 'currencyCode',
+        },
+      },
+      SEPA: {
+        messageType: 'pain.001',
+        quantumFormat: 'ISO20022',
+        fieldMapping: {
+          debtor: 'sourceBankId',
+          creditor: 'destinationBankId',
+          amount: 'amount',
+          currency: 'currencyCode',
+        },
+      },
+      PRIVATE_BANK: {
+        messageType: 'PRIVATE',
+        quantumFormat: 'ISO20022',
+        fieldMapping: {
+          from: 'sourceBankId',
+          to: 'destinationBankId',
+          value: 'amount',
+          currency: 'currencyCode',
+        },
+      },
+    };
+
+    return defaultMappings[legacyProtocol] || {};
+  }
+
+  /**
+   * Translate FX for legacy protocol
+   */
+  private async translateFx(data: {
+    amount: string;
+    currencyCode: string;
+    legacyProtocol: string;
+  }): Promise<{
+    fxRate: Decimal;
+    quantumAmount: Decimal;
+    quantumCurrency: string;
+  }> {
+    // In production, would fetch real-time FX rates
+    // For now, use 1:1 for same currency, or apply protocol-specific rates
+    const amount = new Decimal(data.amount);
+
+    // Default: quantum currency is same as legacy currency
+    let quantumCurrency = data.currencyCode;
+    let fxRate = new Decimal(1);
+
+    // Protocol-specific FX adjustments
+    switch (data.legacyProtocol) {
+      case 'SWIFT':
+        // SWIFT typically uses spot rates
+        fxRate = new Decimal(1); // Placeholder
+        break;
+      case 'ISO20022':
+        // ISO20022 uses reference rates
+        fxRate = new Decimal(1); // Placeholder
+        break;
+      case 'ACH':
+        // ACH uses domestic rates
+        fxRate = new Decimal(1); // Placeholder
+        break;
+      case 'SEPA':
+        // SEPA uses EUR rates
+        if (data.currencyCode !== 'EUR') {
+          // Convert to EUR
+          quantumCurrency = 'EUR';
+          fxRate = new Decimal(0.85); // Example EUR rate
+        }
+        break;
+      default:
+        fxRate = new Decimal(1);
+    }
+
+    const quantumAmount = amount.times(fxRate);
+
+    return {
+      fxRate,
+      quantumAmount,
+      quantumCurrency,
+    };
+  }
+
+  /**
+   * Translate risk for legacy protocol
+   */
+  private async translateRisk(data: {
+    transactionData: any;
+    legacyProtocol: string;
+  }): Promise<{ riskScore: Decimal }> {
+    // Base risk score
+    let riskScore = new Decimal(0.1); // Low risk by default
+
+    // Protocol-specific risk adjustments
+    switch (data.legacyProtocol) {
+      case 'SWIFT':
+        // SWIFT has lower risk (established network)
+        riskScore = new Decimal(0.05);
+        break;
+      case 'ISO20022':
+        // ISO20022 has standardized risk
+        riskScore = new Decimal(0.08);
+        break;
+      case 'ACH':
+        // ACH has domestic risk
+        riskScore = new Decimal(0.12);
+        break;
+      case 'SEPA':
+        // SEPA has EU risk
+        riskScore = new Decimal(0.06);
+        break;
+      case 'PRIVATE_BANK':
+        // Private bank has higher risk
+        riskScore = new Decimal(0.15);
+        break;
+    }
+
+    // Additional risk factors from transaction data
+    if (data.transactionData.amount > 1000000) {
+      riskScore = riskScore.plus(0.1); // Large amount increases risk
+    }
+
+    return { riskScore };
+  }
+
+  /**
+   * Get translation by ID
+   */
+  async getTranslation(translationId: string) {
+    return await prisma.quantumTranslation.findUnique({
+      where: { translationId },
+    });
+  }
+
+  /**
+   * Get translations by protocol
+   */
+  async getTranslationsByProtocol(
+    legacyProtocol: string,
+    limit: number = 100
+  ) {
+    return await prisma.quantumTranslation.findMany({
+      where: { legacyProtocol },
+      orderBy: { createdAt: 'desc' },
+      take: limit,
+    });
+  }
+}
+
+export const quantumTranslationService = new QuantumTranslationService();
+

src/infrastructure/quantum/quantum-crypto.service.ts

@@ -0,0 +1,232 @@
+// Quantum-Safe Cryptography Service
+// Hybrid signature generation (ECC-521 + PQC), key management
+
+import { v4 as uuidv4 } from 'uuid';
+import prisma from '@/shared/database/prisma';
+
+export interface HybridSignature {
+  eccSignature: string;
+  pqcSignature: string;
+  combinedSignature: string;
+}
+
+export interface KeyPair {
+  publicKey: string;
+  privateKeyRef: string;
+  algorithm: string;
+}
+
+/**
+ * PQC Algorithm Interfaces
+ * Implementations can be added later with actual PQC libraries
+ */
+export interface PQCAlgorithm {
+  generateKeyPair(): Promise<KeyPair>;
+  sign(message: string, privateKey: string): Promise<string>;
+  verify(message: string, signature: string, publicKey: string): Promise<boolean>;
+}
+
+export class QuantumCryptoService {
+  /**
+   * Generate hybrid signature (ECC-521 + PQC)
+   */
+  async generateHybridSignature(
+    message: string,
+    eccKeyId: string,
+    pqcKeyId: string
+  ): Promise<HybridSignature> {
+    // Get keys
+    const eccKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId: eccKeyId },
+    });
+
+    const pqcKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId: pqcKeyId },
+    });
+
+    if (!eccKey || !pqcKey) {
+      throw new Error('One or both keys not found');
+    }
+
+    // In production, this would use actual cryptographic libraries
+    // For now, generate mock signatures
+    const eccSignature = await this.signWithECC(message, eccKey.privateKeyRef || '');
+    const pqcSignature = await this.signWithPQC(message, pqcKey.privateKeyRef || '');
+
+    // Combine signatures
+    const combinedSignature = `${eccSignature}:${pqcSignature}`;
+
+    return {
+      eccSignature,
+      pqcSignature,
+      combinedSignature,
+    };
+  }
+
+  /**
+   * Verify hybrid signature
+   */
+  async verifyHybridSignature(
+    message: string,
+    signature: HybridSignature,
+    eccKeyId: string,
+    pqcKeyId: string
+  ): Promise<boolean> {
+    const eccKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId: eccKeyId },
+    });
+
+    const pqcKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId: pqcKeyId },
+    });
+
+    if (!eccKey || !pqcKey) {
+      return false;
+    }
+
+    // Verify both signatures
+    const eccValid = await this.verifyECC(message, signature.eccSignature, eccKey.publicKey);
+    const pqcValid = await this.verifyPQC(message, signature.pqcSignature, pqcKey.publicKey);
+
+    return eccValid && pqcValid;
+  }
+
+  /**
+   * Generate ECC-521 key pair
+   */
+  async generateECCKeyPair(keyPurpose: string): Promise<{ keyId: string; publicKey: string }> {
+    // In production, this would use actual ECC-521 library
+    const keyId = uuidv4();
+    const publicKey = `ecc_521_public_${keyId}`;
+    const privateKeyRef = `hsm_ecc_521_${keyId}`;
+
+    await prisma.cryptographicKey.create({
+      data: {
+        id: uuidv4(),
+        keyId,
+        keyType: 'ecc_521',
+        keyPurpose,
+        publicKey,
+        privateKeyRef,
+        algorithm: 'ECC-521',
+        keySize: 521,
+        status: 'active',
+      },
+    });
+
+    return { keyId, publicKey };
+  }
+
+  /**
+   * Generate PQC key pair (CRYSTALS-Kyber or CRYSTALS-Dilithium)
+   */
+  async generatePQCKeyPair(
+    algorithm: 'CRYSTALS-Kyber' | 'CRYSTALS-Dilithium',
+    keyPurpose: string
+  ): Promise<{ keyId: string; publicKey: string }> {
+    const keyId = uuidv4();
+    const publicKey = `${algorithm.toLowerCase()}_public_${keyId}`;
+    const privateKeyRef = `hsm_${algorithm.toLowerCase()}_${keyId}`;
+
+    const keyType = algorithm === 'CRYSTALS-Kyber' ? 'pqc_kyber' : 'pqc_dilithium';
+
+    await prisma.cryptographicKey.create({
+      data: {
+        id: uuidv4(),
+        keyId,
+        keyType,
+        keyPurpose,
+        publicKey,
+        privateKeyRef,
+        algorithm,
+        keySize: algorithm === 'CRYSTALS-Kyber' ? 800 : 1952, // Approximate key sizes
+        status: 'active',
+      },
+    });
+
+    return { keyId, publicKey };
+  }
+
+  /**
+   * Generate hybrid key pair (ECC + PQC)
+   */
+  async generateHybridKeyPair(keyPurpose: string): Promise<{
+    eccKeyId: string;
+    pqcKeyId: string;
+    eccPublicKey: string;
+    pqcPublicKey: string;
+  }> {
+    const ecc = await this.generateECCKeyPair(keyPurpose);
+    const pqc = await this.generatePQCKeyPair('CRYSTALS-Dilithium', keyPurpose);
+
+    return {
+      eccKeyId: ecc.keyId,
+      pqcKeyId: pqc.keyId,
+      eccPublicKey: ecc.publicKey,
+      pqcPublicKey: pqc.publicKey,
+    };
+  }
+
+  /**
+   * Rotate key
+   */
+  async rotateKey(oldKeyId: string, newKeyPurpose?: string): Promise<string> {
+    const oldKey = await prisma.cryptographicKey.findUnique({
+      where: { keyId: oldKeyId },
+    });
+
+    if (!oldKey) {
+      throw new Error(`Key not found: ${oldKeyId}`);
+    }
+
+    // Mark old key as rotated
+    await prisma.cryptographicKey.update({
+      where: { keyId: oldKeyId },
+      data: {
+        status: 'rotated',
+        rotatedAt: new Date(),
+      },
+    });
+
+    // Generate new key
+    let newKeyId: string;
+    if (oldKey.keyType === 'ecc_521') {
+      const newKey = await this.generateECCKeyPair(newKeyPurpose || oldKey.keyPurpose);
+      newKeyId = newKey.keyId;
+    } else if (oldKey.keyType === 'pqc_kyber') {
+      const newKey = await this.generatePQCKeyPair('CRYSTALS-Kyber', newKeyPurpose || oldKey.keyPurpose);
+      newKeyId = newKey.keyId;
+    } else if (oldKey.keyType === 'pqc_dilithium') {
+      const newKey = await this.generatePQCKeyPair('CRYSTALS-Dilithium', newKeyPurpose || oldKey.keyPurpose);
+      newKeyId = newKey.keyId;
+    } else {
+      throw new Error(`Unsupported key type for rotation: ${oldKey.keyType}`);
+    }
+
+    return newKeyId;
+  }
+
+  // Mock implementations - in production, these would use actual crypto libraries
+  private async signWithECC(message: string, privateKeyRef: string): Promise<string> {
+    // In production: use ECC-521 library to sign
+    return `ecc_signature_${Buffer.from(message).toString('base64').substring(0, 64)}`;
+  }
+
+  private async signWithPQC(message: string, privateKeyRef: string): Promise<string> {
+    // In production: use PQC library (CRYSTALS-Dilithium) to sign
+    return `pqc_signature_${Buffer.from(message).toString('base64').substring(0, 64)}`;
+  }
+
+  private async verifyECC(message: string, signature: string, publicKey: string): Promise<boolean> {
+    // In production: use ECC-521 library to verify
+    return signature.startsWith('ecc_signature_');
+  }
+
+  private async verifyPQC(message: string, signature: string, publicKey: string): Promise<boolean> {
+    // In production: use PQC library to verify
+    return signature.startsWith('pqc_signature_');
+  }
+}
+
+export const quantumCryptoService = new QuantumCryptoService();
+

src/infrastructure/sovereign-cloud/sci-replication.service.ts

@@ -0,0 +1,148 @@
+// SCI Replication Service
+// Global Replication Grid (GRG) with 30s metadata hashing
+
+import prisma from '@/shared/database/prisma';
+import { createHash } from 'crypto';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+const METADATA_HASH_INTERVAL = 30000; // 30 seconds
+
+export interface ReplicationRequest {
+  zoneId: string;
+  targetZoneId: string;
+  replicationType: 'metadata' | 'full' | 'incremental';
+}
+
+export class SciReplicationService {
+  private hashIntervals: Map<string, NodeJS.Timeout> = new Map();
+
+  /**
+   * Start replication between zones
+   */
+  async startReplication(request: ReplicationRequest): Promise<{ replicationId: string }> {
+    const replicationId = `REP-${uuidv4()}`;
+
+    // Create replication record
+    await prisma.sovereignReplication.create({
+      data: {
+        replicationId,
+        zoneId: request.zoneId,
+        targetZoneId: request.targetZoneId,
+        replicationType: request.replicationType,
+        metadataHash: '',
+        lastHashTime: new Date(),
+        status: 'active',
+      },
+    });
+
+    // Start metadata hashing interval
+    this.startMetadataHashing(replicationId, request.zoneId);
+
+    logger.info('SCI: Started replication', {
+      replicationId,
+      zoneId: request.zoneId,
+      targetZoneId: request.targetZoneId,
+      replicationType: request.replicationType,
+    });
+
+    return { replicationId };
+  }
+
+  /**
+   * Start metadata hashing every 30 seconds
+   */
+  private startMetadataHashing(replicationId: string, zoneId: string): void {
+    const interval = setInterval(async () => {
+      try {
+        await this.updateMetadataHash(replicationId, zoneId);
+      } catch (error) {
+        logger.error('SCI: Metadata hashing failed', { error, replicationId, zoneId });
+      }
+    }, METADATA_HASH_INTERVAL);
+
+    this.hashIntervals.set(replicationId, interval);
+  }
+
+  /**
+   * Update metadata hash
+   */
+  private async updateMetadataHash(replicationId: string, zoneId: string): Promise<void> {
+    // Get zone metadata
+    const zone = await prisma.sovereignComputeZone.findUnique({
+      where: { zoneId },
+      include: {
+        contracts: true,
+        attestations: {
+          where: { status: 'verified' },
+        },
+      },
+    });
+
+    if (!zone) {
+      throw new Error('Zone not found');
+    }
+
+    // Create metadata object
+    const metadata = {
+      zoneId: zone.zoneId,
+      status: zone.status,
+      contractCount: zone.contracts.length,
+      verifiedAttestationCount: zone.attestations.length,
+      timestamp: new Date().toISOString(),
+    };
+
+    // Calculate hash
+    const metadataString = JSON.stringify(metadata);
+    const metadataHash = createHash('sha256').update(metadataString).digest('hex');
+
+    // Update replication record
+    await prisma.sovereignReplication.update({
+      where: { replicationId },
+      data: {
+        metadataHash,
+        lastHashTime: new Date(),
+      },
+    });
+
+    logger.debug('SCI: Updated metadata hash', { replicationId, metadataHash });
+  }
+
+  /**
+   * Stop replication
+   */
+  async stopReplication(replicationId: string): Promise<void> {
+    // Stop hashing interval
+    const interval = this.hashIntervals.get(replicationId);
+    if (interval) {
+      clearInterval(interval);
+      this.hashIntervals.delete(replicationId);
+    }
+
+    // Update replication status
+    await prisma.sovereignReplication.update({
+      where: { replicationId },
+      data: { status: 'paused' },
+    });
+
+    logger.info('SCI: Stopped replication', { replicationId });
+  }
+
+  /**
+   * Get replication status
+   */
+  async getReplicationStatus(replicationId: string) {
+    const replication = await prisma.sovereignReplication.findUnique({
+      where: { replicationId },
+      include: {
+        zone: true,
+      },
+    });
+
+    return replication;
+  }
+}
+
+export const sciReplicationService = new SciReplicationService();
+

src/infrastructure/sovereign-cloud/sci-security.service.ts

@@ -0,0 +1,202 @@
+// SCI Security Service
+// TPM-backed nodes, PQ-encrypted channels (Kyber), cross-zone firewalls, integrity attestations
+
+import prisma from '@/shared/database/prisma';
+import { createHash } from 'crypto';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+import { quantumCryptoService } from '@/infrastructure/quantum/quantum-crypto.service';
+
+
+export interface TpmAttestationRequest {
+  zoneId: string;
+  nodeId: string;
+  tpmData: Record<string, unknown>;
+}
+
+export interface IntegrityAttestationRequest {
+  zoneId: string;
+  attestationType: 'tpm_integrity' | 'pq_encryption' | 'cross_zone_firewall' | 'continuous_integrity';
+  attestationData: Record<string, unknown>;
+}
+
+export class SciSecurityService {
+  /**
+   * Create TPM-backed node attestation
+   */
+  async createTpmAttestation(request: TpmAttestationRequest): Promise<{ attestationId: string }> {
+    const attestationId = `ATTEST-${uuidv4()}`;
+
+    // Calculate integrity hash from TPM data
+    const integrityHash = this.calculateIntegrityHash(request.tpmData);
+
+    // Create attestation
+    await prisma.sovereignAttestation.create({
+      data: {
+        attestationId,
+        zoneId: request.zoneId,
+        attestationType: 'tpm_integrity',
+        attestationData: request.tpmData as unknown as Record<string, unknown>,
+        integrityHash,
+        status: 'verified',
+        verifiedAt: new Date(),
+      },
+    });
+
+    logger.info('SCI Security: TPM attestation created', {
+      attestationId,
+      zoneId: request.zoneId,
+      nodeId: request.nodeId,
+    });
+
+    return { attestationId };
+  }
+
+  /**
+   * Create PQ-encrypted channel (Kyber)
+   */
+  async createPqEncryptedChannel(
+    sourceZoneId: string,
+    targetZoneId: string
+  ): Promise<{ channelId: string; encryptionKey: string }> {
+    const channelId = `PQ-CHANNEL-${uuidv4()}`;
+
+    // Generate PQ key pair (Kyber)
+    // In production, use actual Kyber implementation
+    const keyPair = await quantumCryptoService.generatePQCKeyPair('kyber');
+
+    // Store encryption key (in production, would be securely stored)
+    const encryptionKey = keyPair.publicKey;
+
+    // Create attestation for PQ encryption
+    await prisma.sovereignAttestation.create({
+      data: {
+        attestationId: `ATTEST-${uuidv4()}`,
+        zoneId: sourceZoneId,
+        attestationType: 'pq_encryption',
+        attestationData: {
+          channelId,
+          targetZoneId,
+          encryptionKey,
+          algorithm: 'kyber',
+        } as unknown as Record<string, unknown>,
+        integrityHash: createHash('sha256').update(encryptionKey).digest('hex'),
+        status: 'verified',
+        verifiedAt: new Date(),
+      },
+    });
+
+    logger.info('SCI Security: PQ-encrypted channel created', {
+      channelId,
+      sourceZoneId,
+      targetZoneId,
+    });
+
+    return { channelId, encryptionKey };
+  }
+
+  /**
+   * Verify cross-zone firewall
+   */
+  async verifyCrossZoneFirewall(zoneId: string): Promise<boolean> {
+    const zone = await prisma.sovereignComputeZone.findUnique({
+      where: { zoneId },
+    });
+
+    if (!zone) {
+      return false;
+    }
+
+    const config = zone.zeroTrustConfig as unknown as { networkSegmentation?: boolean };
+
+    // Check if network segmentation is enabled
+    if (!config.networkSegmentation) {
+      logger.warn('SCI Security: Cross-zone firewall not properly configured', { zoneId });
+      return false;
+    }
+
+    // Create firewall attestation
+    await prisma.sovereignAttestation.create({
+      data: {
+        attestationId: `ATTEST-${uuidv4()}`,
+        zoneId,
+        attestationType: 'cross_zone_firewall',
+        attestationData: {
+          networkSegmentation: true,
+          firewallEnabled: true,
+        } as unknown as Record<string, unknown>,
+        integrityHash: createHash('sha256').update(zoneId).digest('hex'),
+        status: 'verified',
+        verifiedAt: new Date(),
+      },
+    });
+
+    logger.info('SCI Security: Cross-zone firewall verified', { zoneId });
+    return true;
+  }
+
+  /**
+   * Create continuous integrity attestation
+   */
+  async createContinuousIntegrityAttestation(
+    request: IntegrityAttestationRequest
+  ): Promise<{ attestationId: string }> {
+    const attestationId = `ATTEST-${uuidv4()}`;
+
+    // Calculate integrity hash
+    const integrityHash = this.calculateIntegrityHash(request.attestationData);
+
+    // Create attestation
+    await prisma.sovereignAttestation.create({
+      data: {
+        attestationId,
+        zoneId: request.zoneId,
+        attestationType: request.attestationType,
+        attestationData: request.attestationData as unknown as Record<string, unknown>,
+        integrityHash,
+        status: 'verified',
+        verifiedAt: new Date(),
+      },
+    });
+
+    logger.info('SCI Security: Continuous integrity attestation created', {
+      attestationId,
+      zoneId: request.zoneId,
+      attestationType: request.attestationType,
+    });
+
+    return { attestationId };
+  }
+
+  /**
+   * Calculate integrity hash
+   */
+  private calculateIntegrityHash(data: Record<string, unknown>): string {
+    const dataString = JSON.stringify(data);
+    return createHash('sha256').update(dataString).digest('hex');
+  }
+
+  /**
+   * Verify attestation
+   */
+  async verifyAttestation(attestationId: string): Promise<boolean> {
+    const attestation = await prisma.sovereignAttestation.findUnique({
+      where: { attestationId },
+    });
+
+    if (!attestation) {
+      return false;
+    }
+
+    // Recalculate hash
+    const expectedHash = this.calculateIntegrityHash(
+      attestation.attestationData as unknown as Record<string, unknown>
+    );
+
+    // Verify hash matches
+    return attestation.integrityHash === expectedHash && attestation.status === 'verified';
+  }
+}
+
+export const sciSecurityService = new SciSecurityService();
+

src/infrastructure/sovereign-cloud/sci-sevm.service.ts

@@ -0,0 +1,163 @@
+// SCI Sovereign EVM (SEVM)
+// Smart contract execution for CBDC workflows, FX swaps, commodity redemptions, settlement contracts
+
+import prisma from '@/shared/database/prisma';
+import { createHash } from 'crypto';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface SevmContractDeployRequest {
+  zoneId: string;
+  contractType: 'cbdc_workflow' | 'fx_swap' | 'commodity_redemption' | 'settlement_contract';
+  contractCode: string;
+  deployerBankId: string;
+}
+
+export interface SevmContractExecutionRequest {
+  contractId: string;
+  functionName: string;
+  parameters: Record<string, unknown>;
+  callerBankId: string;
+}
+
+export class SciSevmService {
+  /**
+   * Deploy smart contract to SEVM
+   */
+  async deployContract(request: SevmContractDeployRequest): Promise<{ contractId: string; contractAddress: string }> {
+    const contractId = `SEVM-${uuidv4()}`;
+    const contractAddress = this.generateContractAddress(contractId);
+
+    // Calculate contract hash
+    const contractHash = createHash('sha256').update(request.contractCode).digest('hex');
+
+    // Deploy contract
+    await prisma.sevmContract.create({
+      data: {
+        contractId,
+        zoneId: request.zoneId,
+        contractType: request.contractType,
+        contractAddress,
+        contractCode: request.contractCode,
+        contractHash,
+        deployerBankId: request.deployerBankId,
+        status: 'deployed',
+        deployedAt: new Date(),
+      },
+    });
+
+    logger.info('SCI SEVM: Contract deployed', {
+      contractId,
+      contractAddress,
+      contractType: request.contractType,
+      zoneId: request.zoneId,
+    });
+
+    return { contractId, contractAddress };
+  }
+
+  /**
+   * Execute smart contract function
+   */
+  async executeContract(request: SevmContractExecutionRequest): Promise<{ executionId: string; result: unknown }> {
+    const executionId = `SEVM-EXEC-${uuidv4()}`;
+
+    // Get contract
+    const contract = await prisma.sevmContract.findUnique({
+      where: { contractId: request.contractId },
+    });
+
+    if (!contract) {
+      throw new Error('Contract not found');
+    }
+
+    if (contract.status !== 'active' && contract.status !== 'deployed') {
+      throw new Error('Contract is not active');
+    }
+
+    // Verify caller has permission (simplified)
+    const hasPermission = await this.verifyExecutionPermission(
+      request.contractId,
+      request.callerBankId
+    );
+
+    if (!hasPermission) {
+      throw new Error('Caller does not have permission to execute contract');
+    }
+
+    // Execute contract function (simplified - in production would use actual EVM)
+    const result = await this.executeContractFunction(
+      contract.contractCode,
+      request.functionName,
+      request.parameters
+    );
+
+    logger.info('SCI SEVM: Contract executed', {
+      executionId,
+      contractId: request.contractId,
+      functionName: request.functionName,
+    });
+
+    return { executionId, result };
+  }
+
+  /**
+   * Generate contract address
+   */
+  private generateContractAddress(contractId: string): string {
+    const hash = createHash('sha256').update(contractId).digest('hex');
+    return `0x${hash.substring(0, 40)}`; // Ethereum-style address format
+  }
+
+  /**
+   * Verify execution permission
+   */
+  private async verifyExecutionPermission(contractId: string, callerBankId: string): Promise<boolean> {
+    const contract = await prisma.sevmContract.findUnique({
+      where: { contractId },
+    });
+
+    if (!contract) {
+      return false;
+    }
+
+    // Check if caller is deployer or has explicit permission
+    // Simplified: only deployer can execute
+    return contract.deployerBankId === callerBankId;
+  }
+
+  /**
+   * Execute contract function (simplified)
+   */
+  private async executeContractFunction(
+    contractCode: string,
+    functionName: string,
+    parameters: Record<string, unknown>
+  ): Promise<unknown> {
+    // In production, this would:
+    // 1. Parse contract code
+    // 2. Execute function in SEVM runtime
+    // 3. Return result
+
+    // For now, return a placeholder result
+    return {
+      functionName,
+      parameters,
+      executed: true,
+      timestamp: new Date().toISOString(),
+    };
+  }
+
+  /**
+   * Get contract by address
+   */
+  async getContractByAddress(contractAddress: string) {
+    return await prisma.sevmContract.findUnique({
+      where: { contractAddress },
+    });
+  }
+}
+
+export const sciSevmService = new SciSevmService();
+

src/infrastructure/sovereign-cloud/sci-zone-manager.service.ts

@@ -0,0 +1,123 @@
+// SCI Zone Manager
+// Sovereign Compute Zones (SCZs) per SCB, zero-trust isolation
+
+import prisma from '@/shared/database/prisma';
+import { v4 as uuidv4 } from 'uuid';
+import { logger } from '@/infrastructure/monitoring/logger';
+
+
+export interface SovereignComputeZoneRequest {
+  sovereignBankId: string;
+  zoneName: string;
+  zoneType: 'primary' | 'replica' | 'backup';
+  region: string;
+}
+
+export interface ZeroTrustConfig {
+  isolationLevel: 'strict' | 'moderate' | 'relaxed';
+  networkSegmentation: boolean;
+  identityVerification: boolean;
+  encryptionRequired: boolean;
+}
+
+export class SciZoneManagerService {
+  /**
+   * Create Sovereign Compute Zone
+   */
+  async createZone(request: SovereignComputeZoneRequest): Promise<{ zoneId: string }> {
+    const zoneId = `SCZ-${uuidv4()}`;
+
+    // Default zero-trust configuration
+    const zeroTrustConfig: ZeroTrustConfig = {
+      isolationLevel: 'strict',
+      networkSegmentation: true,
+      identityVerification: true,
+      encryptionRequired: true,
+    };
+
+    // Create zone
+    await prisma.sovereignComputeZone.create({
+      data: {
+        zoneId,
+        sovereignBankId: request.sovereignBankId,
+        zoneName: request.zoneName,
+        zoneType: request.zoneType,
+        region: request.region,
+        zeroTrustConfig: zeroTrustConfig as unknown as Record<string, unknown>,
+        status: 'active',
+      },
+    });
+
+    logger.info('SCI: Created Sovereign Compute Zone', {
+      zoneId,
+      sovereignBankId: request.sovereignBankId,
+      zoneType: request.zoneType,
+    });
+
+    return { zoneId };
+  }
+
+  /**
+   * Configure PQ-HSM for zone
+   */
+  async configurePqHsm(zoneId: string, hsmConfig: Record<string, unknown>): Promise<void> {
+    await prisma.sovereignComputeZone.update({
+      where: { zoneId },
+      data: {
+        pqHsmConfig: hsmConfig,
+      },
+    });
+
+    logger.info('SCI: Configured PQ-HSM for zone', { zoneId });
+  }
+
+  /**
+   * Enforce zero-trust isolation
+   */
+  async enforceIsolation(zoneId: string): Promise<boolean> {
+    const zone = await prisma.sovereignComputeZone.findUnique({
+      where: { zoneId },
+    });
+
+    if (!zone) {
+      throw new Error('Zone not found');
+    }
+
+    const config = zone.zeroTrustConfig as unknown as ZeroTrustConfig;
+
+    // Verify isolation requirements
+    const checks = {
+      networkSegmentation: config.networkSegmentation,
+      identityVerification: config.identityVerification,
+      encryptionRequired: config.encryptionRequired,
+    };
+
+    const allChecksPass = Object.values(checks).every((check) => check === true);
+
+    if (!allChecksPass) {
+      logger.warn('SCI: Zero-trust isolation checks failed', { zoneId, checks });
+      return false;
+    }
+
+    logger.info('SCI: Zero-trust isolation verified', { zoneId });
+    return true;
+  }
+
+  /**
+   * Get zone by sovereign bank
+   */
+  async getZoneBySovereign(sovereignBankId: string): Promise<{ zoneId: string } | null> {
+    const zone = await prisma.sovereignComputeZone.findFirst({
+      where: {
+        sovereignBankId,
+        status: 'active',
+        zoneType: 'primary',
+      },
+    });
+
+    return zone ? { zoneId: zone.zoneId } : null;
+  }
+}
+
+export const sciZoneManagerService = new SciZoneManagerService();
+

src/infrastructure/sovereign-cloud/sci.routes.ts

@@ -0,0 +1,85 @@
+// SCI API Routes
+
+import { Router } from 'express';
+import { sciZoneManagerService } from './sci-zone-manager.service';
+import { sciReplicationService } from './sci-replication.service';
+import { sciSevmService } from './sci-sevm.service';
+import { sciSecurityService } from './sci-security.service';
+
+const router = Router();
+
+/**
+ * @swagger
+ * /api/v1/sci/zone/create:
+ *   post:
+ *     summary: Create Sovereign Compute Zone
+ */
+router.post('/zone/create', async (req, res, next) => {
+  try {
+    const result = await sciZoneManagerService.createZone(req.body);
+    res.json(result);
+  } catch (error) {
+    next(error);
+  }
+});
+
+/**
+ * @swagger
+ * /api/v1/sci/replication/start:
+ *   post:
+ *     summary: Start replication
+ */
+router.post('/replication/start', async (req, res, next) => {
+  try {
+    const result = await sciReplicationService.startReplication(req.body);
+    res.json(result);
+  } catch (error) {
+    next(error);
+  }
+});
+
+/**
+ * @swagger
+ * /api/v1/sci/sevm/deploy:
+ *   post:
+ *     summary: Deploy SEVM contract
+ */
+router.post('/sevm/deploy', async (req, res, next) => {
+  try {
+    const result = await sciSevmService.deployContract(req.body);
+    res.json(result);
+  } catch (error) {
+    next(error);
+  }
+});
+
+/**
+ * @swagger
+ * /api/v1/sci/security/attestation:
+ *   post:
+ *     summary: Create security attestation
+ */
+router.post('/security/attestation', async (req, res, next) => {
+  try {
+    const { type, ...params } = req.body;
+    let result;
+
+    switch (type) {
+      case 'tpm':
+        result = await sciSecurityService.createTpmAttestation(params);
+        break;
+      case 'integrity':
+        result = await sciSecurityService.createContinuousIntegrityAttestation(params);
+        break;
+      default:
+        throw new Error(`Unknown attestation type: ${type}`);
+    }
+
+    res.json(result);
+  } catch (error) {
+    next(error);
+  }
+});
+
+export default router;
+