Humans
Passkeys for
Humans
Secure human login and consent with explicit challenge/attestation workflows.
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Passkey-backed identity
Attach authenticators while keeping stable principal identity.
*
Login with SIG
Challenge/attestation flow for user-approved access.
*
Recovery
Rotate/revoke authenticators without losing principal continuity.
Use cases
*
Passkey-backed identity
Attach authenticators while keeping stable principal identity.
*
Login with SIG
Challenge/attestation flow for user-approved access.
*
Recovery
Rotate/revoke authenticators without losing principal continuity.
How it works
Get started in three steps
Use SIG reference web flow for reproducible auth behavior.
1
Challenge
Relying site creates audience-bound challenge.
2
Attest
User signs approved scopes.
3
Verify
Server verifies binding, replay, and scope subset.
Ed25519
Signing
JWS
Verification
HTTPS
Transport
100%
Open Source