iris chat

Main development is on decentralized git: htree://npub1xdhnr9mrv47kkrn95k6cwecearydeh8e895990n3acntwvmgk2dsdeeycm/iris-chat

Decentralized encrypted messaging over Nostr using the double-ratchet protocol.

Features

• End-to-end encryption via nostr-double-ratchet
• QR code invites for easy contact sharing
• Push notifications with service worker integration
• PWA installable on mobile and desktop
• Local-first with IndexedDB persistence (Dexie)
• NIP-07 browser extension support for key management
• Bounded live pubsub over authenticated FIPS links between machine-admitted sibling devices; Nostr relays remain the initial-contact and durable-backfill path
• Reliable linked-device sync as bounded records over TCP/FIPS service 7369; chat delivery and seen receipts remain end-to-end application signals

Tech Stack

• Svelte 5, TypeScript, Vite
• UnoCSS
• NDK (Nostr Development Kit)
• nostr-pubsub over FIPS
• TCP/FIPS for ordered linked-device snapshots
• Workbox (service worker)

Development

npm install
npm run dev

Build

npm run build
npm run preview

Tests

pnpm test
pnpm test:e2e

Source

View source on decentralized git