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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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Huaimin Wang
Hunan University
Zibin Zheng
Sun Yat-sen University
Shaoan Xie
NEC (Japan)
International Journal of Web and Grid Services
Sun Yat-sen University
National University of Defense Technology
Macau University of Science and Technology
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Wang et al. (Mon,) studied this question.
synapsesocial.com/papers/6a0d3cbb68ddba849a09aaab — DOI: https://doi.org/10.1504/ijwgs.2018.10016848