CREDIBILITY MANAGEMENT SYSTEM AND CREDIBILITY MANAGEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To confirm and evaluate credibility of quality of the Smart Contract itself by a plurality of third parties other than a Smart Contract provider even without management by the centralized agency.SOLUTION: A verification node 3 in a credibility management system 10 manages Smart Contract and Smart Contract execution transaction and evaluation execution transaction for the smart contract in a block chain, and manages a verification result of Smart Contract including a predetermined value for evaluation designated by a predetermined transaction issue node and an output value when the predetermined value is input to Smart Contract in such a manner that the verification result of Smart Contract is included in the evaluation execution transaction or manages in such a manner that the output value is included in the state information.SELECTED DRAWING: Figure 1