otp slotThe YubiKey's OTP application slots can be protected by a six-byte access code. Once a slot is confured with an access code, that slot cannot be reconfured in any way unless the correctMost older One-Time Password tokens utilize the OATH protocol; they can be easily identified with the 6 to 8 dit codes generated. The YubiKey can have the Touch-Trgered OTP slots to