文献类型：期刊文献

英文题名：A Global Clock Model for the Consortium Blockchains

作者：Zan, Chao[1]; Xu, Hai-Chuan[2,3]

机构：[1] IT Department, Head Office of Bank of China LTD., Beijing, 100818, China; [2] Department of Finance, East China University of Science and Technology, Shanghai, 200237, China; [3] Research Center for Econophysics, East China University of Science and Technology, Shanghai, 200237, China

年份：2020

卷号：1156 CCIS

起止页码：71

外文期刊名：Communications in Computer and Information Science

收录：EI(收录号：20200708162369)

语种：英文

外文关键词：Mechanical clocks - Synchronization

摘要：We propose a global clock model to achieve time synchronization for consortium blockchains. Based on the existing consortium blockchain framework, a global clock service node is added. We use the Byzantine fault-tolerant algorithm to ensure the stability of the global clock node services. In addition, Cristian and Berkeley time synchronization algorithms are used to improve the confirmation of timestamp information, so as to achieve strong consistency of consensus time. This method can strike a balance between the transaction performance and the timestamp consistency requirements. This method meets the time accuracy requirements of practical business applications, and effectively benefits the promotion of blockchain technology in time-sensitive business scenarios. ? 2020, Springer Nature Singapore Pte Ltd.