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As the shortage of energy resources and the deterioration of the ecological environment continue to intensify, distributed energy is an indispensable part of the future energy system. Distributed energy sources such as solar energy, wind energy, photovoltaics, etc., which are in line with the "dual carbon" goal, have low pollution, high efficiency, and high operational reliability, and will initially become an important source of power supply. However, there are many problems with distributed energy transactions in the traditional electricity market. With the continuous expansion of distributed energy transactions and the continuous increase of information and data, the clearing process has become very cumbersome. For the electricity supplier and consumer, there are problems in the electricity market transaction that the transaction volume caused by power loss does not match the actual received volume, and users do not obtain information in a timely manner. At present, most distributed transaction processes lack a central supervision mechanism. How to confirm and verify various information of both parties to the transaction to ensure transaction security is an urgent problem that needs to be resolved. This article proposes a centralized transaction method based on blockchain technology. Both parties of electricity purchase and sale write data to the blockchain through the blockchain client. After the block link receives the quotation submitted by the user, it will match and settle the two parties through continuous bilateral transactions to realize the centralized transaction clearing of distributed energy. The method proposed in this paper improves the efficiency of distributed energy transactions, and at the same time ensures that the information is authentic and cannot be tampered with.
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