SoK: A Survey of Mixing Techniques and Mixers for Cryptocurrencies

Fuente: arXiv
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Auteurs principaux: Mariani, Juraj, Homoliak, Ivan
Format: Preprint
Publié: 2025
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author Mariani, Juraj
Homoliak, Ivan
author_facet Mariani, Juraj
Homoliak, Ivan
contents Blockchain technologies have overturned the digital finance industry by introducing a decentralized pseudonymous means of monetary transfer. The pseudonymous nature introduced privacy concerns, enabling various deanonymization techniques, which in turn spurred development of stronger anonymity-preserving measures. The purpose of this paper is to create a comprehensive survey of mixing techniques and implementations within the vast ecosystem surrounding anonymization tools and mechanisms available in blockchain cryptocurrencies. First, we begin by reviewing classifications used in the field. Then, we survey various obfuscation techniques, helping to delve into actual implementations and combinations of these techniques. Next, we identify the positive and negative attributes of the approaches and implementations included. Moreover, we examine the implications of anonymization tools for user privacy, including their effectiveness in preserving anonymity and susceptibility to attacks and vulnerabilities. Finally, we discuss the challenges and innovations for extending mixing services into the realm of smart contracts or cross-chain space.
format Preprint
id arxiv_https___arxiv_org_abs_2504_20296
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle SoK: A Survey of Mixing Techniques and Mixers for Cryptocurrencies
Mariani, Juraj
Homoliak, Ivan
Cryptography and Security
Distributed, Parallel, and Cluster Computing
Blockchain technologies have overturned the digital finance industry by introducing a decentralized pseudonymous means of monetary transfer. The pseudonymous nature introduced privacy concerns, enabling various deanonymization techniques, which in turn spurred development of stronger anonymity-preserving measures. The purpose of this paper is to create a comprehensive survey of mixing techniques and implementations within the vast ecosystem surrounding anonymization tools and mechanisms available in blockchain cryptocurrencies. First, we begin by reviewing classifications used in the field. Then, we survey various obfuscation techniques, helping to delve into actual implementations and combinations of these techniques. Next, we identify the positive and negative attributes of the approaches and implementations included. Moreover, we examine the implications of anonymization tools for user privacy, including their effectiveness in preserving anonymity and susceptibility to attacks and vulnerabilities. Finally, we discuss the challenges and innovations for extending mixing services into the realm of smart contracts or cross-chain space.
title SoK: A Survey of Mixing Techniques and Mixers for Cryptocurrencies
topic Cryptography and Security
Distributed, Parallel, and Cluster Computing
url https://arxiv.org/abs/2504.20296