README.md

Onyx2 - Lightning-Enabled Mobile Wallet

A React Native Expo app implementing the Breez SDK for Lightning Network functionality.

About

This app uses the Breez SDK Nodeless (Liquid Implementation) to provide:

• Self-custodial Lightning payments
• On-chain interoperability
• LNURL & Lightning address support
• Multi-asset support (BTC, USDT)
• Fiat on-ramps
• Real-time state backup

Features

• Send/receive Lightning payments via:
  • BOLT11 invoices
  • LNURL-pay
  • Lightning addresses
  • BTC addresses
• Wallet functionality:
  • Balance checking
  • Payment limits
  • Transaction history
• Push notifications for payments
• Multi-device support
• User-held keys

Getting Started

1. Install dependencies:

npm install

2. Start the app:

npx expo start

The app will be available on:

• Development build
• Android emulator
• iOS simulator
• Expo Go

Development

This project uses:

• Expo with file-based routing
• Breez SDK for Lightning functionality
• React Native for cross-platform mobile development

Learn More

• Expo Documentation
• Breez SDK Documentation
• React Native