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Technology of Blockchain
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App. Res. of Comp. Printed Article
Vol. 40, 2023 No. 11
3235-3240

Coin mixing mechanism in blockchain based on multiple XOR encryption

Yan Yan
Li Jingjing
Liu Qing
School of Computer & Communication, Lanzhou University of Technology, Lanzhou 730050, China
DOI: 10.19734/j.issn.1001-3695.2023.03.0101

Abstract

Coin mixing mechanism is one of the technologies to realize the privacy protection of blockchain transaction information. In view of the issues of low efficiency and insufficient security in the existing decentralized coin mixing mechanism layered encryption address transmission methods, this paper proposed a decentralized blockchain coin mixing mechanism based on multiple XOR encryption(MXShuffle). The proposed mechanism generated a temporary shared key for any two participants and randomly selected one participant as the proxy node. The remaining participants sequentially generated a key XOR set and an address key XOR set through multiple XOR encryption, and sent the encryption result after shuffling to the next participant, until the proxy node received the two XOR encrypted sets of all participants and recovered all the output addresses of coin mixing transactions through XOR decryption. Security analysis and experiments show that the mixing time for 50 participants in MXShuffle is only 8 seconds, which improves the mixing efficiency compared to CoinShuffle, TTShuffle, IMShuffle methods. While ensuring the privacy security of participants, the proposed mechanism reduces the possibility of monitoring the mixing relationships by malicious nodes and the impact of DoS attacks.

Foundation Support

国家自然科学基金资助项目(62361036,61762059)
甘肃省自然科学基金资助项目(22JR5RA279)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2023.03.0101
Publish at: Application Research of Computers Printed Article, Vol. 40, 2023 No. 11
Section: Technology of Blockchain
Pages: 3235-3240
Serial Number: 1001-3695(2023)11-005-3235-06

Publish History

[2023-06-06] Accepted Paper
[2023-11-05] Printed Article

Cite This Article

晏燕, 李静静, 刘青. 基于多重异或加密的区块链混币机制 [J]. 计算机应用研究, 2023, 40 (11): 3235-3240. (Yan Yan, Li Jingjing, Liu Qing. Coin mixing mechanism in blockchain based on multiple XOR encryption [J]. Application Research of Computers, 2023, 40 (11): 3235-3240. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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