Transaction system, transaction device, transaction method and transaction program

摘要

Problem to be solved: to prevent the seller and the purchaser from getting away with the content data and the consideration in the system which exchanges the content data and the consideration.The seller's deviceEncrypt data encrypted by secret content keyThe first transaction information with the first transaction device as the destinationWhen the first transaction information that enables the receipt of the cryptographic asset under the condition of disclosure of the argument information containing the secret content key is disclosed in the distributed ledgerSecond trading information for receiving the cipher assetsThe first open part exposes the second trading information containing the argument information to the distributed registerEquipped withPurchaser's trading deviceThe second open section that exposes the first transaction information to the distributed ledgerWhen the second transaction information has been disclosed in the distributed ledgerGets the argument information andA decoding unit for decoding encrypted data using argument information.Diagram