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The WebAuthn login flow facilitates FIDO2 authentication within the Identity Provider (IdP) by utilizing the Web Authentication API (WebAuthn), which is part of the FIDO2 standard. This enables strong, public-key-based authentication for users. The plugin can function operate in several various ways: as a single-factor authentication method option within a broader multi-factor authentication framework; as a single-factor method where , as passwordless authentication after the user supplies enters their username (passwordless flow); , or as a single-factor method usernameless authentication where the username is not provided by the user (usernameless flows using passkeys)user is implicitly identified from the credential they choose.