Blockchain challenges and opportunities: a survey

Huaimin Wang, Zibin Zheng, Shaoan Xie, Hong Ning Dai, Xiangping Chen
2018 International Journal of Web and Grid Services  
2 Blockchain has numerous benefits such as decentralization, persistency, anonymity and auditability. There is a wide spectrum of blockchain applications ranging from cryptocurrency, financial services, risk management, Internet of Things 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
more » ... ap, 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.
doi:10.1504/ijwgs.2018.10016848 fatcat:gyxdgwgscbhq5oogcrufiotdxy