Sign in
This browser holds your key. It is generated here, never leaves, and cannot be read back out — not by this page, and not by anything that compromises it.
No key in this browser
Create one. It is an Ed25519 keypair generated by the browser and stored non-extractably: JavaScript can ask it to sign, and cannot obtain it.
This browser's key
The fingerprint is how a person names this key out loud. An already-authorised hand links it to an account — the door that would let a key enrol itself is deliberately not built yet (decision:0068).
Your account, read back from the hub
Read through the same authenticated socket — which is what proves the round trip rather than only the handshake.