It is a 2-factor security device required for login and personal authentication. A 6-digit number is issued through the app, like an OTP issued by a bank.

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Aug 22, 2025
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지오유 OTP (AI기반) APP

The service operated by a.i under the name zio supports 2 factor authentication. The function is the same as using an OTP terminal in addition to a password at a bank. When you run this app, the 6-digit number will be maintained for a valid time (1 minute). Over time, it will change to a different number. This number is issued by the server. Enter your ID and password on the login screen of the service you are using, then enter the 6-digit OTP number. Then, you can manage your security even more safely.
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