Security

Quantum-safe encryption for the future

🔒 Post-Quantum Cryptography

QryptChat uses NIST-approved post-quantum cryptographic algorithms to protect your messages against both classical and quantum computer attacks.

  • CRYSTALS-Kyber for key encapsulation
  • CRYSTALS-Dilithium for digital signatures
  • SPHINCS+ for hash-based signatures

🛡️ End-to-End Encryption

All messages are encrypted on your device before transmission and can only be decrypted by the intended recipient.

  • Zero-knowledge architecture
  • Perfect forward secrecy
  • No server-side message storage

🔐 Authentication

Secure phone number-based authentication with SMS verification ensures only you can access your account.

  • Multi-factor authentication
  • Device verification
  • Session management

🏆 Security Audits

QryptChat undergoes regular security audits by independent third-party security firms to ensure the highest level of protection.

  • Annual penetration testing
  • Code security reviews
  • Vulnerability disclosure program