Patent ID: 11956364
Assignee: SONY GROUP CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 10:
11. An information processing method, by an information processing device that provides a service that requires an identity verification process using identity verification information, comprising:
acquiring, from a user terminal used by a user who is a request source for a service, proof information for proving, by zero knowledge proof, that the user is an identity verified user who has completed the identity verification process, the proof information being generated by using secret information that only the identity verified user is allowed to know;
executing a verification process of the proof information using encrypted information of identity verification information used in an identity verification process of the identity verified user managed in a block chain system, the encrypted information being encrypted using the secret information; and
executing a process for providing a service to the user who is a request source for the service on condition that the user is proved to be the identity verified user as a result of the verification process.