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WebAuthn

Authentication

A web standard that lets you sign in with passkeys or security keys.

Definition

WebAuthn is a web standard that allows websites to use passkeys or security keys for safer login.

In plain English A web standard that lets you sign in with passkeys or security keys.

Why this matters

Why it matters: It helps prevent phishing because the login is tied to the real website domain.

Example

Example: A site supports “Sign in with passkey” using WebAuthn.