SecureBit.chat - P2P Encrypted Messenger Files

✨ What's New in v4.01.222 📱 Progressive Web App (PWA)

Install SecureBit.chat directly on mobile and desktop

Offline mode support with session persistence

Improved performance through smart caching and service workers

📂 Secure File Transfer

End-to-end encrypted file transfers over pure P2P WebRTC channels

File chunking with individual encryption per block

Hash validation for every chunk to prevent tampering or MITM attacks

Automatic recovery for lost packets and interrupted transfers

🔍 Security Testing

Comprehensive data leakage testing of chat sessions

Verified MITM and replay attack resistance

Enhanced memory cleanup algorithms for session termination

🛡️ Security Improvements

File encryption using AES-GCM 256-bit + ECDH P-384

Integrity enforcement with SHA-384 checksums

Isolated file streams separated from chat channels

🚀 Roadmap

v4.5 – Desktop & Mobile Apps (Q2 2025)

v5.0 – Quantum-Resistant Cryptography (CRYSTALS-Kyber) (Q4 2025)

v5.5 – Group Communication with Mesh Networking (Q2 2026)

📋 Changelog Added

Progressive Web App (PWA) installation + offline support

Secure peer-to-peer file transfer system

Hash-based integrity checks for transmitted files

Improved

Data leakage testing across sessions

MITM protection hardening

Optimized memory handling after session termination

🛡️ Security Notice

File transfers are now protected with the same military-grade cryptography as chat messages. However, users should:

Always verify security codes out-of-band

Keep browsers and Lightning wallets updated

Maintain strong endpoint security on devices