Generating HOTP passcodes with the YubiKey 5C NFC
YubiKey can output (H)OTP without requiring an LCD display or a companion app. As you can see, the YubiKey mimics a keyboard and will output a passcode where the cursor is (typically a 'password' field).
Note: the YubiKey also supports TOTP (Time-based One Time Passwords), see: • Yubico Authenticator Delivers Secure ...
