Overview#Platform Authenticator is a Web Authentication API (WebAuthN) WebAuthn Authenticator which is an Implementation of the WebAuthn Authenticator Model and is usually resident (i.e. Built-in) on a WebAuthn Client Device and cannot be accessed via cross-platform Transport Layer protocols such as USB, NFC or BLE.
Platform Authenticators may be:
- Biometrics with TPM or TEE/Secure Element
- PIN/pattern/passphrase with TPM or TEE/Secure Element