Patent ID: 11636477

Abstract:
The purpose of the present invention is to provide a new data utilization system in which, while an individual independently uses and utilizes one's own personal data, security and anonymity of the data can be effected. An information processing device used by an individual comprises: a function of transmitting, over a network, data relating to an address on a blockchain network used by the individual to a provider-side information processing device comprising a storage device that is a provision source of data associated with information about the individual; a function of referring to access data (ACT) that includes the data relating to the blockchain network address and data for identifying the provision source of the data and that is issued by the provision-side information processing device for the blockchain network address; and a function of, on the basis of the access data (ACT), acquiring the data associated with the information about the individual from the provider-side storage device and storing said data at least in a storage device or a memory of said individual.