모비싸인(MobiSign) is a service that allows users to store their public certificates on their smartphones and perform user authentication and electronic signatures directly from their devices. By storing the certificates on their smartphones, users can easily set up a passcode and use the electronic signature service.

With 모비싸인(MobiSign), users can utilize the service in various scenarios. It can be used for internet banking services provided by financial institutions, online services offered by insurance companies and card issuers, internet public services, online shopping that requires electronic signatures using public certificates, and any other services that require login using public certificates.

One of the key features of the 모비싸인(MobiSign) service is the enhanced security it provides. By storing the public certificates on smartphones, there is no need for additional security tokens or USB devices, reducing the risk of hacking. Additionally, the convenience of performing electronic signatures on smartphones allows users to access the service anytime and anywhere.