World's first P2P messenger with ECDH + DTLS + SAS security and military-grade cryptography
The web version of SecureBit.chat will remain available and stable,
but no major updates are planned in the near future.
We are now focusing on developing next-generation desktop and mobile applications powered by Tauri v2,
bringing new features that will be fully backward-compatible with the current web version:
- Offline communication via LoRa & mesh networking
- Improved encryption performance with native crypto modules
- Cross-platform synchronization between devices
- Local secure storage & hardware key integration
These new builds will enable true serverless communication even under restricted or offline conditions.
If you appreciate our mission to build decentralized, censorship-resistant communication,
please support the project by starring it on GitHub — your support helps development and visibility!
👉 ⭐ Star SecureBit.chat on GitHub
SecureBit.chat is a revolutionary peer-to-peer messenger that prioritizes your privacy with military-grade encryption. No servers, no registration, no data collection - just pure, secure communication.
- 🔐 19-Layer Military Security - ECDH + DTLS + SAS verification
- 🌐 Pure P2P Architecture - No servers, truly decentralized
- 📱 Progressive Web App - Install like a native app
- 📂 Secure File Transfer - End-to-end encrypted P2P file sharing
- 🔔 Smart Notifications - Browser alerts only when away
- 🎭 Complete Anonymity - Zero data collection, no registration
- Disable timer-based key rotation for Double Ratchet mode
- Auto-reinitialize encryption keys when missing but ECDH available
- Preserve active keys during periodic cleanup in ratchet sessions
- Fix IndexedDB "database closing" errors with connection checking
- Add individual transactions per queue item to prevent race conditions
- ECDH + DTLS + SAS System - Triple-layer security verification
- ASN.1 Full Structure Validation - Complete key structure verification
- Enhanced MITM Protection - Multi-layer defense system
- Secure Key Storage - WeakMap-based isolation
- Production-Ready Logging - Data sanitization and privacy protection
- HKDF Key Derivation - RFC 5869 compliant key separation and derivation
Current: v4.5.22 - Browser Notifications & Code Cleanup ✅
Next Releases:
-
v4.5 (Q2 2025) - Mobile & Desktop Apps
- Native mobile applications (iOS/Android)
- Tauri v2 desktop clients (Windows/macOS/Linux)
- Push notifications and cross-device sync
-
v5.0 (Q4 2025) - Quantum-Resistant Edition
- CRYSTALS-Kyber post-quantum key exchange
- SPHINCS+ post-quantum signatures
- Hybrid classical + post-quantum schemes
We welcome contributions! Here's how:
- Fork the repository
- Create feature branch:
git checkout -b feature/amazing-feature - Commit changes:
git commit -m "Add amazing feature" - Push to branch:
git push origin feature/amazing-feature - Open Pull Request
If you support the mission — please star the repo!
⭐ Star SecureBit.chat on GitHub
SecureBit.chat Security Team
Committed to protecting your privacy with military-grade security
Report vulnerabilities: SecureBitChat@proton.me
Latest Release: v4.5.22 - Browser Notifications & Code Cleanup