Zero Knowledge E2E Messaging Solution

Private messaging,engineered for real privacy

No phone. No backdoors. Your keys are always generated on your device and never stored anywhere else.

Backed by modern cryptography

• ECDH-P256 Key Exchange• AES-256-GCM Encryption• PBKDF2 Key Derivation

How It Works

A quick overview of how Kairo keeps your messages private

Security Deep Dive

Technical breakdown of our E2EE architecture

Server Knowledge vs. Attacker Knowledge

ItemServer SeesWith Full DB Breach
Usernames
Public Keys
Private Keys
Recovery Phrase
Message Content (plaintext)
Ciphertext Payloads✓ (unreadable)
Per-Chat Shared Secret
User Online Status
Message Timestamps
Chat Metadata