Ledger-based financial transaction backend built with Node.js, Express, and MongoDB. Implements JWT authentication, ACID-compliant transactions, and idempotent APIs to ensure secure and consistent account transfers. Deployed on Render with MongoDB Atlas.
nodejs mongodb mongoose rest-api expressjs jwt-authentication transaction-system render-deployment ledger-system backend-project idempotent-api
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Updated
Mar 10, 2026 - JavaScript