• 区块链技术 •

### 基于聚合签名的共识算法优化方案

1. 解放军信息工程大学 郑州450001数学工程与先进计算国家重点实验室 郑州450001,解放军信息工程大学 郑州450001数学工程与先进计算国家重点实验室 郑州450001,解放军信息工程大学 郑州450001数学工程与先进计算国家重点实验室 郑州450001
• 出版日期:2018-02-15 发布日期:2018-11-13
• 基金资助:
本文受国家重点研发计划(2016YFB0800101,6YFB0800100),国家自然科学基金创新研究群体科学基金(61521003)资助

### Optimization Scheme of Consensus Algorithm Based on Aggregation Signature

YUAN Chao, XU Mi-xue and SI Xue-ming

• Online:2018-02-15 Published:2018-11-13

Abstract: With the rise of Bitcoin,Ethernet,Hyperledger and so on,blockchain has been paid more and more attention.Blockchain is the product of many technologies,and the consensus algorithm is an important standard to adjudicate a blockchain system.The adopted consensus algorithm should be different from the blockchain system to another for the different features.Different consensus algorithms have their own advantages,but they also have shortcomings.Currently,efficiency problem is one of the main problems faced by the consensus algorithm in the blockchain.In order to improve the efficiency,the potential optimization scheme of the consensus algorithm in the blockchain was introduced.Then,the dBFT consensus algorithm commonly used in the alliance chain was taken as the research object,and through combining with the aggregation signature and the bilinear mapping technology,the consensus process was modified.At last,compared with the original scheme,the space complexity of the signature in blockchain system can be effectively reduced with the aggregated dBFT.

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