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App. Res. of Comp. Printed Article
Vol. 41, 2024 No. 8
2261-2269

Review of research on blockchain privacy protection technologies

Tan Pengliu
Xu Teng
Yang Sijia
Tao Zhihui
School of Software, Nanchang Hangkong University, Nanchang 330063, China
DOI: 10.19734/j.issn.1001-3695.2023.12.0603

Abstract

In recent years, blockchain has attracted increasing attention in both academic and industrial circles, and the privacy of blockchain remains a controversial issue when deploying blockchain in different applications. This paper systematically reviewed the current privacy protection schemes and mechanisms in blockchain, and gave insights into the security and privacy of blockchain. Firstly, this paper briefly introduced the main functions, types and privacy definitions of blockchain technology, and analyzed the privacy issues it faced. Then, from a technical perspective, this paper divided blockchain privacy protection technology into four categories: decentralized identity authentication, privacy protocol, encryption technology and obfuscation technology, as well as eight sub-categories: decentralized identity authentication, secure multi-party computation, differen-tial privacy, homomorphic encryption, zero-knowledge proof, coin mixing technology, ring signature and anonymous communication. This paper studied them separately, and summarized the mechanisms of different privacy protection technologies on permissioned and permissionless blockchains. Finally, this paper conducted qualitative research on the main characteristics and attributes of the eight privacy protection technologies, and discussed future research directions of privacy protection technologies. The research provided reference for blockchain developers to choose appropriate privacy protection schemes and for researchers to choose research directions for blockchain privacy protection.

Foundation Support

国家自然科学基金资助项目(61961029)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2023.12.0603
Publish at: Application Research of Computers Printed Article, Vol. 41, 2024 No. 8
Section: Survey
Pages: 2261-2269
Serial Number: 1001-3695(2024)08-003-2261-09

Publish History

[2024-03-07] Accepted Paper
[2024-08-05] Printed Article

Cite This Article

谭朋柳, 徐滕, 杨思佳, 等. 区块链隐私保护技术研究综述 [J]. 计算机应用研究, 2024, 41 (8): 2261-2269. (Tan Pengliu, Xu Teng, Yang Sijia, et al. Review of research on blockchain privacy protection technologies [J]. Application Research of Computers, 2024, 41 (8): 2261-2269. )

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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