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Quantum Blockchain: A Decentralized, Encrypted and Distributed Database Based on Quantum Mechanics

Chuntang Li1, Yinsong Xu1, Jiahao Tang1, Wenjie Liu1,2,*
School of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, 210044, China.
Jiangsu Engineering Center of Network Monitoring, Nanjing University of Information Science and Technology, Nanjing, 210044, China.
*Corresponding Author: Wenjie Liu. Email: .

Journal of Quantum Computing 2019, 1(2), 49-63. https://doi.org/10.32604/jqc.2019.06715

Abstract

Quantum blockchain can be understood as a decentralized, encrypted and distributed database based on quantum computation and quantum information theory. Once the data is recorded in the quantum blockchain, it will not be maliciously tampered with. In recent years, the development of quantum computation and quantum information theory makes more and more researchers focus on the research of quantum blockchain. In this paper, we review the developments in the field of quantum blockchain, and briefly analyze its advantages compared with the classical blockchain. The construction and the framework of the quantum blockchain are introduced. Then we introduce the method of applying quantum technology to a certain part of the general blockchain. In addition, the advantages of quantum blockchain compared with classical blockchain and its development prospects are summarized.

Keywords

Quantum computation, quantum blockchain, digital currency

Cite This Article

C. Li, Y. Xu, J. Tang and W. Liu, "Quantum blockchain: a decentralized, encrypted and distributed database based on quantum mechanics," Journal of Quantum Computing, vol. 1, no.2, pp. 49–63, 2019.

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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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