Chinese Journal of Intelligent Science and Technology ›› 2019, Vol. 1 ›› Issue (4): 409-414.doi: 10.11959/j.issn.2096-6652.201945

Special Issue: 区块链

• Regular Papers • Previous Articles     Next Articles

Quantum blockchain:can blockchain integrated with quantum information technology resist quantum supremacy?

Jun ZHANG1,2(),Yong YUAN1,Xiao WANG1,Fei-Yue WANG1   

  1. 1 The State Key Laboratory of Management and Control for Complex Systems,Institute of Automation,Chinese Academy of Sciences,Beijing 100190,China
    2 School of Electrical Engineering and Automation,Wuhan University,Wuhan 430072,China
  • Revised:2019-11-29 Online:2019-12-20 Published:2020-02-29

Abstract:

Quantum computers,which substantially exceed traditional computing speed and data processing capacity,are gradually moving from theory toward practice.The tremendous computing power of quantum computers will bring fundamental challenges to current information encryption mechanism.Two key applications of quantum information technology were introduced,followed by comments on how quantum supremacy threatens the current blockchain consensus and encryption mechanisms.Meanwhile,considering loopholes existing in the current blockchain technology,a blockchain system integrating quantum technology was discussed aiming to prevent the threat of quantum supremacy.

Key words: blockchain, cryptographic algorithms, quantum supremacy, quantum information technology, quantum blockchain

CLC Number: 

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