期刊
INTERNATIONAL JOURNAL OF WEB AND GRID SERVICES
卷 14, 期 4, 页码 352-375出版社
INDERSCIENCE ENTERPRISES LTD
DOI: 10.1504/IJWGS.2018.095647
关键词
blockchain; consensus algorithms; cryptocurrency; IoT; internet of things; smart contract
资金
- National Key Research and Development Program [2016YFB1000101]
- National Natural Science Foundation of China [61722214, 61472338]
- Program for Guangdong Introducing Innovative and Entrepreneurial Teams [2016ZT06D211]
- Pearl RiverSAMP
- TNova Program of Guangzhou [201710010046]
- Macao Science and Technology Development Fund [0026/2018/A1]
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.
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