Under the background of the rapid development of electric vehicles and the imperfect charging service system, this study investigates the current problems in the existing charging system and the user's usage scenarios. meanwhile, the development and advantages of the blockchain technology are discussed as well. Using the model of shared economy, the study discusses the design of electric vehicle charging system based on blockchain technology combined with system service design and distributed economic thinking in the hope of improving the user's charging experience. 

Authors: Cheng Wandong, Zhang Jun