SHIKI is a cutting-edge digital ID and digital certificate application designed for iPhone users. It allows users to store various digital certificates linked to their digital ID within the app. SHIKI offers seamless integration with a variety of services for user convenience.

The app facilitates the process of identity verification by enabling users to authenticate their identity using their My Number card via their device. This generates a digital certificate confirming the user's identity, with the My Number card information securely stored on the user's device.

SHIKI also enables users to link their ID and digital certificates with various services by selecting "Login with SHIKI" on the service's platform. Users can present selected digital certificates to services they have consented to, enhancing security and convenience.