Chat Without the Internet.Literally.
Bitchat uses Bluetooth-based mesh networking to create a truly serverless, censorship-resistant chat app.
iOS beta is currently full • Android coming soon
What is Bitchat?
Bitchat is a privacy-first messaging platform that works completely offline. Built by Jack Dorsey in a weekend using AI coding assistant 'Goose,' Bitchat lets you chat without WiFi, SIM, or mobile data. It uses Bluetooth LE mesh networking to create peer-to-peer message relay systems.
How It Works
BLE Mesh Network
Bluetooth Low Energy creates a mesh network between nearby devices
Store & Forward
Messages hop from device to device using encrypted relay
End-to-End Encryption
Curve25519 + AES-GCM ensures message security
Features
Works Fully Offline
No internet connection required
No Account Needed
Anonymous by design
Panic Mode Wipe
Instant data deletion
IRC Chatrooms & DMs
Classic chat experience
Dummy Traffic Obfuscation
Traffic analysis resistance
Disappearing Messages
Auto-delete after time
Bitcoin TX Support
Coming soon
Open Source Protocol
Transparent and auditable
Screenshots
Frequently Asked Questions
Does it work without internet?
+Yes, completely offline over Bluetooth Mesh.
Can I send files?
+Not in the current version.
Is my data safe?
+All messages are end-to-end encrypted using Curve25519 and AES-256.
Can I join the beta?
+iOS beta is currently full; Android is coming soon.
Technical Whitepaper
Protocol Stack
Application Layer: Bitchat Protocol Transport Layer: Bluetooth LE Mesh Network Layer: Peer-to-Peer Relay Security Layer: Curve25519 + AES-GCM Physical Layer: Bluetooth 5.0+Encryption Details
- Key Exchange: X25519 (Curve25519)
- Message Encryption: AES-256-GCM
- Perfect Forward Secrecy: Yes
- Post-Quantum Resistance: Planned
Future Upgrades
- Wi-Fi Direct mesh networking
- QR code channel joining
- Offline Bitcoin transaction support
- Cross-platform compatibility