OTP
An OTP is generated from a secret shared with the service at setup, so both sides compute the same code without any network. The common form is TOTP, which changes every thirty seconds. Learn more in What is OTP?
An OTP is generated from a secret shared with the service at setup, so both sides compute the same code without any network. The common form is TOTP, which changes every thirty seconds. Learn more in What is OTP?