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Correct. All browsers now support FIDO2, former U2F, e.g. via USB (or NFC on mobile phones). Browser and security keys implement one side of the protocol calle
by ecesena 6y ago
Correct. All browsers now support FIDO2, former U2F, e.g. via USB (or NFC on mobile phones).
Browser and security keys implement one side of the protocol called CTAP (client to authenticator protocol).
Then, browsers expose WebAuthn to web developers that can interact with security keys (create credentials, make assertions = signatures, ...).