The first version of the Smart OTP is an NFC (near field communication) service that generates OTP (one-time password) passwords by tagging the Shinhan Smart KEY card on a smartphone. The service supports personal and business customers, and the latter can be applied for through the branch.

This application is designed to help users who need to log in to their accounts on the Internet or mobile network. It allows them to use their OTPs with ease. In addition, it supports auto-login and manual input. You can also enter the settings on the login screen and save them for future use.