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0xchat
Secure. Private. Decentralized.·0xchat.com
0xchat is a decentralized secure messaging app built on the Nostr protocol. It offers end-to-end encrypted direct messages, private and relay groups, voice and video calls, and Lightning Network payments via an integrated Cashu wallet. No phone number, email, or registration is required — users log in with a Nostr private key.
What it's for
Send end-to-end encrypted direct messagesCreate encrypted private group chatsCoordinate large group messaging via relay groupsMake voice and video callsSend Lightning Network payments via Cashu walletPublish and interact with Nostr notes and long-form contentRun embedded Nostr apps (Napps) inside the clientRoute traffic through Tor for enhanced privacy
Features 18
- Configurable group policies
- Custom ICE service for calls
- Embedded Tor routing for reduced metadata
- Encrypted friends/contacts list
- End-to-end encrypted direct messages
- Group member management and invite-only control
- High-definition audio and video
- Integrated Cashu wallet
- Lightning Network payments
- Napps: embedded Nostr apps with permissioned access
- No registration required (no phone number or email)
- Private encrypted group chats
- Private key (Nostr key) login
- Publish and read Nostr notes and long-form content
- Relay groups for large-scale group messaging (NIP-29)
- Reply and react to posts
- Support for numerous Nostr Improvement Proposals (NIPs)
- Voice and video calls via WebRTC