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REM is built for high-concurrency, low-latency financial operations. The same stack powers the Stablecoins, Tokenisation, Compliance Engine, and Settlement Zones modules.

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Backend infrastructure

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Core runtime

  • Bun — primary runtime, package manager, and test runner for superior performance
  • Turborepo — orchestrates the monorepo across /api, /sdk, /mcp, /db, and /zones

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API framework

  • Hono — fast, lightweight web framework used for routing and RPC
  • Zod — exhaustive runtime validation and type inference across every endpoint

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Data layer

  • Drizzle ORM — lightweight TypeScript ORM for schema management and type-safe queries
  • PostgreSQL — primary relational database (managed via Supabase or Neon)
  • Redis — job queues (BullMQ) and rate limiting (Upstash)

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Web3 and blockchain integration

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Agentic-payment protocols

REM operates as the on-ramp for emerging agentic-payment protocols so institutional balances can settle into them without bespoke integration work:
  • Visa Intelligent Commerce and MasterCard Agentic Payments — card-network agent rails
  • x402 — HTTP-native machine payment protocol
  • MPP — Machine Payment Protocol for batched agent settlement
  • MCP — Model Context Protocol server for direct AI agent integration

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Reliability and security

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Production hardening

  • Idempotency — CUID2-based idempotency keys on all wallet operations to prevent duplicate sends
  • Circuit breakers — individual breakers for external dependencies (Tempo, Solana RPC, Arc, Circle) so the system fails fast and recovers gracefully
  • Rate limiting — consistent-hash rate limiting per API key
  • Audit logging — every sensitive operation logged with a permanent timestamp and actor ID
  • Signed webhooks — HMAC-SHA256 on every outbound event

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Monitoring

  • Sentry — real-time error tracking and performance monitoring
  • Pino — structured JSON logging for deep observability

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Developer surface

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Where each module sits

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Custom solutions

Off-the-shelf, the platform runs as a managed service. For institutions that need dedicated deployments or bespoke integration, REM ships custom infrastructure with you.

Private deployments

Single-tenant deployments inside your VPC, with dedicated keys, dedicated rate limits, and infrastructure isolation.

Bespoke SDKs

Custom SDKs in additional languages or wrapped into your internal developer platform — branded, scoped, and pre-integrated.

Core banking integration

Adapters into legacy core banking, ledger, treasury, and ERP systems — including reconciliation pipelines and accounting feeds.

Custom observability

Forwarders into your existing observability stack (Datadog, Splunk, Grafana), dashboards, and on-call runbooks.

Talk to engineering

Share your stack and your constraints. We’ll scope a custom infrastructure engagement.