 - public key credential dfn webauthn-0 webauthn 0 snapshot https://www.w0.org/TR/webauthn/#public-key-credential  0 - public key credential dfn webauthn-0 webauthn 0 current https://w0c.github.io/webauthn/#public-key-credential  0 - public key credential source dfn webauthn-0 webauthn 0 snapshot https://www.w0.org/TR/webauthn/#public-key-credential-source  0 - public key credential source dfn webauthn-0 webauthn 0 current https://w0c.github.io/webauthn/#public-key-credential-source  0 - public 