Secure Post-Quantum Messaging

Military-grade encrypted messaging platform with ML-KEM-1024 post-quantum cryptography, blockchain verification, and distributed security architecture. Protect your communications against current and future quantum threats.

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Million Messages

Key Features

Post-Quantum Encryption

Future-proof encryption techniques that can withstand attacks from quantum computers.

ML-KEM-1024 encryption provides up to 256-bit security even against quantum attacks.

Blockchain Verification

Every message is cryptographically verified and stored on a tamper-proof blockchain ledger.

Our distributed ledger ensures every message is immutable and verifiable.

Distributed Architecture

Peer-to-peer node discovery via DHT (Distributed Hash Table) for enhanced reliability.

No single point of failure means your messages are always available.

See Secure Messaging in Action

Experience our quantum-resistant encryption with this live demo

Zixt Chat Encrypted • ML-KEM-1024

Military-Grade Security

End-to-end encryption for all messages
Multi-factor authentication options
Pre-shared key support for additional security
Digital signatures to verify message authenticity
Secure file attachments with encryption

Post-Quantum Cryptography

Zixt uses NIST-standardized quantum-resistant algorithms:

ML-KEM-1024 (CRYSTALS-Kyber) for encryption
ML-DSA-65 (CRYSTALS-Dilithium) for digital signatures

These algorithms are designed to resist attacks from quantum computers while maintaining high performance.

How It Works

Register with basic information. A unique post-quantum cryptographic key pair (ML-KEM and ML-DSA) is generated for you automatically. Your private keys are encrypted with your password and industry-standard AES-GCM for maximum security.

Create a new thread and invite other users. Each thread gets its own blockchain for message verification and integrity checking.

Messages are encrypted with ML-KEM-1024 (CRYSTALS-Kyber) using the recipient's public key and can only be decrypted with their private key. Each message is also recorded on the blockchain with an ML-DSA-65 (CRYSTALS-Dilithium) cryptographic signature for quantum-resistant verification.

Use the blockchain verification features to ensure messages haven't been tampered with. Each message's ML-DSA-65 (Dilithium) signature is verified against the blockchain record, providing quantum-resistant proof of authenticity and an immutable record of all communications.

Ready to Experience Ultimate Security?

Join Zixt Chat today and take control of your private communications.

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