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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.