Stable Pay

A fully functional peer-to-peer cryptocurrency payment application built with React, thirdweb APIs, and Supabase. Send and receive stablecoins (USDC/USDT) to other users by username with a Venmo-inspired interface.

✨ Features

• Email-based authentication using thirdweb user wallets and JWT tokens

• Username-based payments - send to users by @username

• Advanced chain & token selection with persistent user preferences

• Multi-chain support (Ethereum, Polygon, Base) with Base as default

• Stablecoin transfers via thirdweb Payment API (createPayment + completePayment)

• Smart balance filtering by chain and token with "Show All" toggle

• Real-time balance display across multiple chains and tokens

• User search and discovery with Supabase integration

• Mobile-first Venmo-inspired UI based on Figma design

• Complete payment flow from search to confirmation to execution

• Transaction status monitoring with blockchain confirmation tracking

• Local storage persistence for user's preferred networks and tokens

• Logout functionality with session management

🛠 Tech Stack

• Frontend: React 18 + TypeScript + Vite

• Styling: Tailwind CSS v3 with custom Venmo-inspired design system

• Database: Supabase (PostgreSQL) with Row Level Security (RLS)

• Blockchain: thirdweb API v1 for all Web3 operations

• Authentication: thirdweb email verification + JWT token management

• State Management: React Context + Hooks with performance optimizations