SecureChat v1.0.0 - Privacy First Messenger

🎉 First Release

Features

• E2E Encryption with Double Ratchet
• Bluetooth Mesh networking
• Biometric authentication
• QR code pairing
• Relay server support
• Complete test suite

Security

• X25519 + HKDF-SHA256 + AES-256-GCM
• Safety numbers for verification
• Trust levels: unverified/verified/blocked
• Encrypted local storage

Platform

• iOS 16+
• macOS 13+
• watchOS companion

See README.md for full documentation.