CPC G06Q 50/06 (2013.01) [G06F 1/28 (2013.01); G06Q 20/0855 (2013.01); G06Q 20/145 (2013.01); G06Q 20/389 (2013.01); G07F 15/003 (2013.01); H02J 13/00007 (2020.01); H02J 3/388 (2020.01); H04L 63/0853 (2013.01)] | 5 Claims |
1. A control method performed in a power transaction system that includes: first power equipment used by a first user; power accumulation equipment connected to the first power equipment via a power line; and a plurality of servers with which the first power equipment and the power accumulation equipment are capable of communicating via a network, the control method being performed by a first server among the plurality of servers, comprising:
issuing a token as a right to use power of the power accumulation equipment;
receiving first transaction data from the first power equipment via the network, the first power equipment being used by the first user who bought the token in advance, the first transaction data including (i) buying amount information indicating an amount of power that the first user wants to buy, and (ii) an electronic signature of the first user;
verifying the first transaction data;
transferring the first transaction data to a plurality of second servers among the plurality of servers not including the first server when (i) the electronic signature of the first user and (ii) validity of the first transaction data are verified successfully in verifying the first transaction data;
executing a first consensus algorithm with the plurality of second servers for reaching a consensus on the validity of the first transaction data; and
recording a block including the first transaction data in a distributed ledger of the first server when the consensus on the validity of the first transaction data is reached through the first consensus algorithm.
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