Source code and details: https://git.anarchists.space/NanoChat/Server
Features
- Small codebase
- Messages expire after 30 days
- Panic button to delete all messages in a room
- WebSocket for communication
- Docker support
Technical details
- AES-256-GCM for client-side encryption
- Key is not sent to server
Codebase is small and easy to audit. The panic button wipes all chat history in a room and blocks future messages. OnionShare fully depends on Tor’s built-in encryption for message security while NanoChat has its own encryption, which means you can host it on different anonymity networks.