Chinese Journal of Network and Information Security ›› 2020, Vol. 6 ›› Issue (5): 11-20.doi: 10.11959/j.issn.2096-109x.2020019

• Papers • Previous Articles     Next Articles

Blockchain storage:technologies and challenges

Zhenhua CAI,Jiayun LIN,Fang LIU()   

  1. School of Data and Computer Science,Sun Yat-sen University,Guangzhou 510006,China
  • Revised:2019-11-20 Online:2020-10-15 Published:2020-10-19
  • Supported by:
    The National Natural Science Foundation of China(61832020);The National Natural Science Foundation of China(61702569);The National Key R&D Program of China(2016YFB1000302)


Blockchain′s characteristics of non-temper and decentralization can be utilized to improve the data security and scalability of storage systems,called blockchain storage.These works that combine storage with blockchain technology,are mainly divided into three categories:decentralized storage systems based on blockchain,improve the performance of existing storage systems based on blockchain,and the underlying storage strategies of blockchain.These works were summarized,the current blockchain storage systems were compared,the main challenges that blockchain and storage being facing were discussed and its future development was forecasted.

Key words: blockchain storage, decentralization, distributed storage, data security, scalability

CLC Number: 

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