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Synode - Secure, Offline p2p Payment App

Checkout on Github 

💳 Synode (pronounced sai-node) is payment app from the future, to unplug and pay.

✍️ About

Synode is a payment app and wallet that focuses on easy, secure transactions. Following are some reasons Synode is better than any other payment app.

✅ Synode ditched bank server dependency, and conducts its transactions over Peer-2-Peer WiFi.

✅ It uses strong encryptions and end-to-end privacy for the safest possible payment experience.

✅ It syncs all its transactions when any of the two parties involved are online for the first time, and all its transactions are secured in a blockchain.

🤷‍♂️ Context

Synode was developed by Team EdgeRunners as a part of the Hack4Bengal Hackathon in 2024, where it won the second prize.

🔨 Tech Stack

Frontend Stack

  • Flutter - The industry-leading UI toolkit for building natively compiled applications for mobile, web, and desktop from a single codebase.

Backend Stack

  • Hono - A fast, lightweight web framework perfect for the edge.
  • TypeScript - A superset of JavaScript that compiles to clean JavaScript output.

💎 Inovations

  • Synode uses a unique approach to handle transactions by leveraging Peer-2-Peer WiFi connections, eliminating the need for a centralized server.
  • Avalanche Blockchain is used to secure transactions, ensuring that all data is tamper-proof and verifiable.
  • The app is designed to work offline, allowing users to make transactions without an internet connection, which is a significant innovation in the realm of payment applications.