← I Shipped 'Passwordless Login.' It Still Asked for a Username.Quiz
WebAuthn & Passkeys
Check what actually turns a WebAuthn credential into a passkey — and why the underlying signature is phishing-resistant in a way a password never can be.
questions7
pass mark70%
resultsat the end
No account needed. Answer all 7 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.