高性能区块链关键技术研究综述

Review of Key Technologies of High Performance Blockchain

【目的】对高性能区块链的关键技术进行调研和总结,探讨高性能区块链的研究进展与面临的主要问题、关键技术以及研究趋势与未来发展方向。【文献范围】以“Consensus Algorithm”、“Smart Contract”、“Blockchain”、“共识算法”、“智能合约”为检索词在Web of Science、谷歌学术、中国知网及其他互联网资源平台检索文献,经过筛选共选择39篇文献进行综述。【方法】采用文献调研的方法,分别总结共识算法的演进过程、智能合约应用以及实现平台的优缺点。【结果】本研究有助于了解现阶段实现高性能区块链包含的共识算法以及智能合约方面的关键问题和关键方法。【局限】共识算法研究发展速度较快,出现的共识算法较多,文中提到的共识算法仅为分类中有代表性的部分算法。智能合约的实现平台也不断涌现,仅针对有代表性的实现平台进行介绍。【结论】对实现高性能区块链的关键技术——共识算法与智能合约,分别进行归类总结,可为后续高性能区块链的研究提供思路与启发。

[Objective]This paper examines the key technologies and major issues of high-performance blockchain,and then explores its research trend and future development.[Coverage]We searched“Consensus Algorithm”,“Smart Contract”,and“Blockchain”in Chinese and English with Web of Science,Google Scholar,CNKI and other Internet resources.A total of 39 documents were selected for this review.[Methods]We summarized the evolution of consensus algorithm,as well as the advantages and disadvantages of smart contract applications or platforms.[Results]This study discussed the key issues and methods of the consensus algorithm and smart contracts for high-performance blockchain.[Limitations]We only reviewed the representative consensus algorithms and implementation platforms.[Conclusions]This paper summarizes the technologies of high-performance blockchain and provides ideas for the future research.