art.StrongID enables a simple touch or biometric authentication via PUSH, and supports OTP multi-factor authentication services for general websites. 1. Touch or biometric authentication is possible through multi-factor authentication registration. - Enter the authentication information ID and authentication code generated by art.StrongID app in art.StrongID multi-factor authentication page. - When logging in through registered service, you can use touch or biometric authentication via PUSH notification. 2. Generate a 2-step verification OTP code for general websites such as Google, Github, and Facebook through QR Scan. - When adding website multi-factor authentication, you can register a website OTP service by selecting the QR code or registration key. - art.StrongID can generate OTP codes for the website and manage as a list. - Enter 2-step verification for the website by entering the OTP code generated by the app. art.StrongID app requires android 6.0 or later.