PQ · ML-KEM-768 · ML-DSA-65
End-to-end by default. Post-quantum in production. Your conversations stay on your device — by architecture, not by promise.
X3DH + Double Ratchet (Signal-class) on every conversation. No flag to flip, no upgrade tier.
Saj Protocol V2 using ml-dsa (Dilithium). Live today — your messages survive the quantum-computing transition.
Server holds encrypted blobs only. No plaintext ever leaves your device unless you choose to share.
Reveal only the part of your message that matters. Cryptographic proof without full disclosure.
Sign up with email, hardware key, or anonymously. Your identity is your choice.
Find contacts via SHA-256 prefixes. The server never sees your address book.
Run the entire Saj Link stack inside your VPC. Federation across self-hosted instances.
30 audit-action types. GDPR data export and right-to-erasure built-in.
Free for individuals. Self-hostable for organisations.