COMPUTER-READABLE RECORDING MEDIUM STORING POWER TRANSACTION PROGRAM, POWER TRANSACTION METHOD, AND POWER TRANSACTION APPARATUS

A non-transitory computer-readable recording medium storing a power transaction program for causing a computer to execute processing of storing, in a blockchain, transaction information between a supply side and a demand side of power, the processing including: determining a supply amount by dividing a power resource on the supply side by aggregate period; determining a demand amount of a plurality of customers who demand the power resource on the demand side; determining a surplus power that is a difference between the supply amount and the demand amount; generating, by using zero-knowledge protocol, the transaction information based on the supply amount, the demand amount, to store generated transaction information in the blockchain.