Touch trgered OTP - Yubico

otp slotYubico OTP is a simple yet strong authentication mechanism that is supported by the YubiKey 5 Series and YubiKey FIPS Series out-of-the-box. Yubico OTP can be used as the second factorSlots confured with a Yubico OTP, OATH HOTP, or static password are activated by touching the YubiKey. The duration of touch determines which slot is used.