中文摘要：

互联网作为第三次工业革命的代表性技术改变了现代社会的生活方式和经济发展模式,而以去中心化和信任机制为主要特征的区块链技术作为新一代互联网技术的重要组成部分,很有可能推动现有计算模式的变革,在金融、能源等诸多领域将产生广泛而深远的影响。首先对区块链进行了概述,给出了区块链的定义和技术框架,阐述了区块链的特点和意义;之后,介绍了区块链在一些领域的应用情况;最后,概述了区块链在能源系统领域的研究现状,并对能源区块链的研究做了展望。

英文摘要：

As a representative technology of the Third Industrial Revolution, the Intemet has changed the way of life and economic development in modern society. The blockchain technology, which is characterized by decentralization and trust mechanism, is an important part of the new generation of Internet technology. The blockchain may promote the transformation of the existing computing paradigm, and have far-reaching impacts in finance, energy and many other areas. This paper first gives an overview of the blockchain, discusses its definition and technical framework, and expounds its characteristics and significance. After that, the applications of the blockchain in some fields are introduced. At last, the research status of blockchain in energy systems is summarized, and potential research problems in energy blockchain are prospected.