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A curated list of tools, apps, protocols, integrations, and resources for the Flash Bitcoin + Lightning platform — built for the Caribbean and beyond.
Flash is a mobile-first Bitcoin Lightning wallet and open financial infrastructure designed for the Caribbean and global south. It enables fast, low-cost payments, remittances, closed-loop rewards, and social Bitcoin experiences using Lightning, Nostr, and emerging decentralized protocols like Cashu.
This repository aims to provide a complete view of the Flash ecosystem: official tools, live services, integrations, protocols, and community efforts.
- Flash Backend – Node.js/NestJS backend powering Lightning, rewards, and APIs
- Flash Mobile App – React Native wallet for Android and iOS
- Flash POS – Point-of-sale merchant system
- Flash FIPs – Flash Improvement Proposals for protocol development
- Awesome Flash – This curated ecosystem index
- IBEX Plugin – Lightning integration via IBEX APIs (deprecated)
- Flash Wallet – Send and receive Bitcoin + Lightning payments from your phone
- Flash POS – Merchant-focused Lightning interface for accepting BTC payments
- FlashCard – NFC loyalty card for earning and redeeming closed-loop points
- FlashCard Server – btcpay.flashapp.me BTCPayServer for NFC-based payment redemptions
- Flash Forge – forge.flashapp.me Cashu eCash mint for federated, privacy-preserving money (in development)
- Flash Cash – ecash.flashapp.me Cashu-compatible web wallet to store and send eCash tokens (in development)
- IBEX Integration – IBEX Mercado for liquidity and LN payout management
- Breez SDK – Embedded Lightning Service Provider for wallet + node functionality
- BTCPayServer Plugin – Flash BTCPay plugin based on BlinkPlugin and btcpayserver-plugin-template
- The Bitcoin Company - thebitcoincompany.com gift card integration
- Azteco – azte.co voucher redemption integration
- Phoros – phoroscloud.com infrastructure-as-a-service for Bitcoin + LN
- Zaprite – zaprite.com business tools for Bitcoin-native invoicing and payments
- Bitkey – bitkey.world secure self-custody hardware wallet by Block
- Twenty-Two – twenty-two.xyz e-commerce checkout for Caribbean merchants
- FIP-01: Onboarding Flow
- FIP-02: WhatsApp Bot
- FIP-03: Merchant Dashboard
- FIP-04: BTCPayServer Plugin
- FIP-06: Phone Number-Based Send
- FIP-XX Template
- NIP-05 identity using
@flashapp.meemail-style identifiers - NIP-57 zap addresses for tipping users over Lightning
- In-app Nostr key management (show/copy private/public keys)
- Default relay configuration + optional custom relays (in development)
- Flashpoints – Brick-and-mortar businesses distributing and accepting Flash rewards
- FlashCard NFC – Simple, tap-to-pay card powered by Flash BTCPayServer
- Merchant Dashboard – View sales, redemptions, and user loyalty metrics (coming soon)
- Flash Docs – Official product and developer documentation
- Island Bitcoin – In-person events and onboarding
- Nostr: @Flash
- Twitter: @LNFlash
- WhatsApp: Flash Support
- Meetup: Island Bitcoin
- GitHub Org: lnflash
Found something cool? Have a new Flash app, plugin, or integration?
- Fork this repo
- Add your link under the relevant section
- Open a Pull Request
See the FIPs repo to propose official ecosystem changes.
MIT — do what you want.