Similar to Touch_ID

Extended Validation Certificate

FreeOTP

Google Authenticator

NemID

RSA SecurID

SmartGate

Service Provisioning Markup Language

Time-based one-time password

WebAuthn

Countersign (military)

Sign in with Apple

Personal identification number

Electronic seal

Huaya

Facial recognition system

CAPTCHA

Captive portal

Ticket punch

Gold Codes

Eigenface

Three-dimensional face recognition