In recent years, in order to reduce the consumption of petroleum energy and environmental pollution, China has actively promoted the development of new energy vehicles and achieved good results. Car owner. Sharing economy is a service-oriented economy based on scattered social idle. Domestic scholars have done relevant research on the combination of block-chain technology and electric vehicle charging pile sharing economy. Some researchers prop. 3.1. System node architectureIn the blockchain system, nodes not only undertake the sending, encryption, verification and storage of data, but also undertake the m. In the power transaction based on the blockchain platform, each node user selects the transaction object and transaction attribute according to their own wishes, which sti. In recent years, domestic new energy vehicles have developed rapidly, but the supporting charging facilities have developed slowly. The vehicle pile ratio is seriously unbala.