0xChat
Private messaging on Nostr. Encrypted chats with Signal-like features.
Overview
0xChat is a Nostr client focused on private messaging. It implements NIP-44 encrypted DMs with features like group chats, making it suitable for secure communication.
Key Features
Encrypted Messaging
┌─────────────────────────────────────────────────────────┐
│ 0xChat │
├─────────────────────────────────────────────────────────┤
│ │
│ 🔒 End-to-end encrypted messages │
│ │
│ ┌─────────────────────────────────────────────────────┐│
│ │ Chat with @alice ││
│ │ ──────────────────────────────────── ││
│ │ alice: Hey, check this out ││
│ │ you: Looks great! ││
│ │ alice: ⚡ Sent 1000 sats ││
│ └─────────────────────────────────────────────────────┘│
│ │
│ All messages encrypted before leaving device │
│ │
└─────────────────────────────────────────────────────────┘
NIP-44 Encryption
Modern encryption replacing NIP-04:
- Better security properties
- Larger messages
- Standardized across clients
Group Chats
| Feature | Description |
|---|---|
| Create groups | Private group conversations |
| Add members | Invite by npub |
| Admin controls | Manage membership |
| Encrypted | All messages encrypted |
Amber Support
External signer integration:
- Keys stay in Amber
- 0xChat requests signatures
- Maximum key security
Platforms
| Platform | Status |
|---|---|
| iOS | Available |
| Android | Available |
Interoperability
Compatible with other NIP-44 clients:
- Amethyst
- Coracle
- Flotilla
Links
- iOS: App Store
- Android: Google Play
See Also
- Nostr Protocol — The protocol
- Amber — External signer
- Amethyst — Android client