FastsendApp/Remit-Backend

SwiftRemit is a full-stack blockchain-powered cross-border payment platform built to eliminate the high costs and slow settlement times of international money transfers in Africa. Built on the Stellar network, SwiftRemit enables near-instant, low-cost payments using XLM and USDC stablecoins. # ⚡ SwiftRemit ### Instant Cross-Border Payments for Africa — Powered by Stellar --- ## 📌 Overview SwiftRemit is a full-stack blockchain-powered cross-border payment platform built to eliminate the high costs and slow settlement times of international money transfers in Africa. Built on the **Stellar network**, SwiftRemit enables near-instant, low-cost payments using **XLM and USDC stablecoins** — settling in 3–5 seconds for fractions of a cent per transaction. Transactions are signed by the user's **Freighter browser wallet** — secret keys never leave the user's device or touch the server. --- ## 🌍 Problem Statement | Problem | Traditional | SwiftRemit | |---|---|---| | Transaction fees | 5–10% | ~$0.00001 | | Settlement time | 2–5 days | 3–5 seconds | | Accessibility | Bank required | Wallet-based | | Key security | N/A | Secret key never leaves device | | Transparency | Opaque | On-chain, verifiable | --- ## ✨ Features - 🦊 **Freighter Wallet Integration** — connect your Stellar browser wallet; secret key never shared - 🔑 **Managed Wallet** — generate a Stellar keypair directly in the app - 💸 **Secure Payment Flow** — backend builds unsigned XDR → Freighter signs → backend submits - 📊 **Transaction Dashboard** — full history with on-chain Stellar Explorer links - 🔔 **Real-time Feedback** — toast notifications on every action - 🔐 **JWT Authentication** — secure register/login with bcrypt (12 salt rounds) - 🛡️ **API Security** — Helmet, CORS, rate limiting (100 req/15 min), express-validator - 📱 **Mobile Responsive** — fully responsive UI with sticky card scroll animations - ⭐ **Soroban Smart Contract** — Rust contract compiled to WASM, deployed on Stellar - 🌐 **Testnet Ready** — Friendbot funding for instant testnet XLM --- ## 🏗️ Architecture ```mermaid flowchart LR A[User Browser] --> B[React Frontend\nVite + TypeScript] B --> C[Express API\nNode.js] C --> D[Stellar SDK\nHorizon API] D --> E[Stellar Network] E --> F[Recipient Wallet] C --> G[(M …