Loading patent…
AssigneeNippon Telegraph and Telephone Corporation
InventorsShigenori Ohashi, Hiroki Watanabe, Tatsuro Ishida, Shigeru Fujimura, Atsushi Nakadaira
Estimating the term…
Pieces of information on multiple file management systems are managed by one contract in a distributed ledger. An administrator terminal includes: a file management system generation unit that issues a contract generation transaction for generating, in blockchain data, a contract in which a network identifier that identifies a file management system is associated with an identifier of a participant terminal in a blockchain system, and notifying the participant terminal of the network identifier and an identifier of the contract; and a file management control unit that issues a registration transaction for registering, in the contract, connection information of the administrator terminal in the file management system, acquires connection information of the participant terminal in the file management system from the contract, and establishes a P2P connection with the participant terminal based on the acquired connection information.
A right holder terminal used for a content use system that includes a file management system, a distributed ledger system including a distributed ledger, the right holder terminal used by a right holder of a content piece, and a user terminal used by a user of the content piece, the right holder terminal comprising:
A user terminal used fora content use system that includes a file management system, a distributed ledger system including a distributed ledger, a right holder terminal used by a right holder of a content piece, and the user terminal used by a user of the content piece, the user terminal comprising:
Dependencies are inferred from the claim text.