Patent ID: 11960503
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 12:
13. A non-transitory computer-readable recording medium having a program causing a computer to execute a data management method that is performed by a first authentication server included in a plurality of authentication servers in a data management system including the plurality of authentication servers and a device, each of the plurality of authentication servers having a distributed ledger, the program causing the computer to execute:
obtaining first transaction data generated by the device, the first transaction data including device data obtained or generated by the device; and
generating a block including the first transaction data and recording, in the distributed ledger, the block generated, when the device data included in the first transaction data is first data indicated in an information type list which is a data list indicating data that is subject to recording in the distributed ledger and related to a predetermined contract, wherein
the predetermined contract is a contract related to electric power or a contract related to linkage between IoT devices, and
the device data is data related to electric power or data related to linkage between IoT devices.