What is a hardware token?, A physical device used for authentication, A temporary code sent by SMS, A biometric authentication method, What is a one-time password (OTP)?, A physical authentication device, A temporary code that is valid for a limited time, A password stored in a password manager, How does push notification + PIN authentication work?, A registered device receives a request and the user approves it with a PIN, A user enters a temporary SMS code, A user unlocks a cryptographic key with a fingerprint, How does push notification + biometric authentication work?, A registered device receives a request and the user approves it with a PIN, A registered device receives a request and the user approves it using facial or fingerprint recognition, A user enters a password generated by a password manager, What is FIDO?, A system based on temporary six-digit codes, A system that uses passwords stored on a server, A cryptographic authentication method using PKI and cryptographic keys

Passwordless Authentication

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