Blockchain challenges and opportunities: a survey

被引：1822

作者：

Zheng, Zibin ^{[1
]}

Xie, Shaoan ^{[1
]}

Dai, Hong-Ning ^{[2
]}

Chen, Xiangping ^{[3
]}

Wang, Huaimin ^{[4
]}

机构：

[1] Sun Yat Sen Univ, Sch Data & Comp Sci, Guangzhou 510275, Guangdong, Peoples R China

[2] Macau Univ Sci & Technol, Fac Informat Technol, Macau, Peoples R China

[3] Sun Yat Sen Univ, Natl Engn Res Ctr Digital Life, Inst Adv Technol, Guangzhou 510275, Guangdong, Peoples R China

[4] Natl Univ Def Technol, Natl Lab Parallel & Distributed Proc, Changsha 410073, Hunan, Peoples R China

来源：

INTERNATIONAL JOURNAL OF WEB AND GRID SERVICES | 2018年 / 14卷 / 04期

基金：

中国国家自然科学基金;

关键词：

blockchain; consensus algorithms; cryptocurrency; IoT; internet of things; smart contract; INTERNET;

D O I：

10.1504/IJWGS.2018.095647

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Blockchain has numerous benefits such as decentralisation, persistency, anonymity and auditability. There is a wide spectrum of blockchain applications ranging from cryptocurrency, financial services, risk management, internet of things (IoT) to public and social services. Although a number of studies focus on using the blockchain technology in various application aspects, there is no comprehensive survey on the blockchain technology in both technological and application perspectives. To fill this gap, we conduct a comprehensive survey on the blockchain technology. In particular, this paper gives the blockchain taxonomy, introduces typical blockchain consensus algorithms, reviews blockchain applications and discusses technical challenges as well as recent advances in tackling the challenges. Moreover, this paper also points out the future directions in the blockchain technology.

引用

页码：352 / 375

页数：24

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