Open
You are the initiator. The other person joins with your room code.
CPace · SPQR Ratchet · ML-KEM-768
A private wire between two people. You agree a passphrase somewhere else. The relay in the middle only ever carries sealed packets.
You are the initiator. The other person joins with your room code.
You are the responder. Bring a room code and the shared passphrase.
Seat both ends in this browser and watch the ratchet move. Nothing leaves the page.
Running interop checks
Locally tested against the acceptance suite. Not externally audited. The passphrase is the only authentication, and it never crosses the wire.