RESOURCE ACCOMMODATION ASSISTING SYSTEM, RESOURCE ACCOMMODATION ASSISTING METHOD, AND RESOURCE ACCOMMODATION ASSISTING DEVICE

To enable efficient resource accommodation between an ordinary household and a customer with a predetermined accompanying effect. A resource accommodation assistance system 10 includes a plurality of information processing apparatuses 100 each including: a storage unit 101 configured to hold a distributed ledger 50 storing transactions issued in accordance with events including power sale in which an ordinary household sells power to a retail electric utility, power purchase in which a customer purchases the power which the retail electric utility secures through the power sale, and commodity purchase in which the ordinary household purchases a commodity from the customer with a payment token gained from the retail electric utility through the power sale; and an arithmetic unit 104 configured, in the event of commodity purchase, to execute a smart contract, to carry out a transaction for payment on the commodity purchase using the payment token to which a predetermined premium bearing by the customer is added, and to store, in the distributed ledger 50, the transaction subjected to a predetermined process executed together with another information processing apparatus among the information processing apparatuses.