Post Quantum Secure Chat

The world's first mobile messenger with true Post-Quantum Cryptography.

While current encryption can be broken by future quantum computers, PQC Chat uses ML-KEM-768 and ML-DSA-65 — the same algorithms standardized by NIST for the quantum era.

🔐 QUANTUM-SAFE ENCRYPTION

• ML-KEM-768 key encapsulation (NIST FIPS 203)

• ML-DSA-65 digital signatures (NIST FIPS 204)

• AES-256-GCM message encryption

• X25519 + Ed25519 hybrid fallback

• Zero-knowledge architecture — we can't read your messages

💬 SECURE MESSAGING

• End-to-end encrypted text messages

• Encrypted image sharing

• Real-time message delivery

• QR code key exchange for contacts

• No phone number required

📱 FREE FEATURES

• Unlimited text messages

• Up to 10 contacts

• 5 encrypted images per month

• Full PQC security

⭐ PREMIUM FEATURES

• Unlimited contacts

• Unlimited encrypted images

• Voice & video calls (coming soon)

• Priority support

• Premium badge

🛡️ WHY POST-QUANTUM?

Quantum computers threaten today's encryption. Data stolen now can be decrypted later ("harvest now, decrypt later" attacks). PQC Chat protects your conversations against both current and future threats.

🔒 PRIVACY FIRST

• No ads, no tracking

• Open cryptographic standards

• Keys generated on your device

• Messages encrypted before leaving your phone

Start protecting your conversations with quantum-safe encryption today.

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What's New (Release Notes)

Version 1.0.5

• Introducing Premium subscription with unlimited features

• Free tier: 10 contacts, 5 images/month

• Native in-app purchases

• Performance improvements

• Bug fixes

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Keywords/Tags

quantum encryption, secure messenger, encrypted chat, post-quantum cryptography, PQC, ML-KEM, privacy, secure messaging, end-to-end encryption, NIST, quantum-safe