Analysis on anonymity and regulation of digital currency transactions based on game theory

Xian ZHANG; Jianming ZHU; Zhiyuan SUI; Shengzhi MING

doi:10.11959/j.issn.2096-109x.2022068

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Analysis on anonymity and regulation of digital currency transactions based on game theory

Papers | 更新时间：2024-06-03

- Analysis on anonymity and regulation of digital currency transactions based on game theory
- Chinese Journal of Network and Information Security Vol. 8, Issue 5, Pages: 150-157(2022)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.2096-109x.2022068
  CLC： TP393
- Online First：2022-10，
  
  Published：15 October 2022
- 稿件说明：
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Xian ZHANG, Jianming ZHU, Zhiyuan SUI, et al. Analysis on anonymity and regulation of digital currency transactions based on game theory[J]. Chinese Journal of Network and Information Security, 2022, 8(5): 150-157.
DOI：

Xian ZHANG, Jianming ZHU, Zhiyuan SUI, et al. Analysis on anonymity and regulation of digital currency transactions based on game theory[J]. Chinese Journal of Network and Information Security, 2022, 8(5): 150-157. DOI： 10.11959/j.issn.2096-109x.2022068.

摘要

通过利用区块链等技术，数字货币作为一种新型货币资产推动了数字经济的发展。数字货币交易平台在数字货币用户对私有数字货币使用中占有重要角色。现有的数字货币交易平台可能存在泄露用户个人隐私的风险，为不法分子提供参与“空投”事件、勒索、骗局等各种异常交易行为的条件；数字货币交易平台对用户强匿名性保护也会增加监管部门对于数字货币交易情况的监管难度。因此数字货币交易平台选择对用户的匿名性保护的强弱不仅需要考虑用户的个人隐私安全，而且要考虑如何符合监管部门对其监管工作的要求。基于对数字货币交易平台和监管部门之间关系的分析，建立演化博弈模型，对数字货币交易平台与监管博弈模型进行定义和构建，根据数字货币交易平台与监管部门收益矩阵求解复制动态方程并得出均衡解。通过构建雅可比矩阵对演化系统在不同参数取值下的均衡点进行稳定性分析，并分析在不同情况下，数字货币交易平台与监管部门的演化稳定选择及策略。结合Matlab实验环境，对数字货币交易平台的强弱匿名性保护策略和监管部门的强弱监管策略进行仿真实验，验证博弈模型的准确性。结合实验结果，提出对数字货币交易平台的监管建议，为我国将来开展数字货币交易平台的监管工作提供理论依据。

Abstract

By using technologies such as blockchain

digital currency

as a new type of monetary asset

has been promoting the development of digital economy.Digital currency trading platform plays an important role in the use of private digital currency by digital currency users.Existing digital currency trading platforms may expose users’ privacy and provide illegal elements with the conditions to participate in various abnormal trading behaviors such as“air dropping” events

extortion

fraud

etc.The strong anonymity protection of users by digital currency trading platforms also make it more difficult for regulatory authorities to supervise digital currency transactions.Therefore

the strength of the anonymity protection of users by digital currency trading platforms need to consider not only the privacy protection of users

but also meet the regulatory requirements.For this reason

based on the analysis of the relationship between the digital currency trading platforms and the supervisory departments

an evolutionary game model was established

the digital currency trading platform and the supervisory game model were defined and constructed

and the replication dynamic equation was solved and the balanced solution was obtained according to the income matrix between the digital currency trading platform and the supervisory department.By building a Jacobian matrix

the stability of the evolutionary system under different parameters was analyzed.Besides

the evolutionary stable selection and strategy of the digital currency trading platform and the regulatory authority under different conditions were also analyzed.With Matlab

different strategies of anonymity protection of the digital currency trading platform and different strategies of supervision strategy of the regulatory department were simulated to verify the accuracy of the game model.Based on the results of the simulations

some suggestions on the supervision of digital currency trading platforms are put forward

which provides a theoretical basis for the future supervision of digital currency trading platforms in China.

关键词

Keywords

references

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