The privacy paradox: How the crypto mixer market has changed

​Chinese prosecutors have proposed treating the use of cryptocurrency mixers and privacy-focused digital assets as a potential indicator of money laundering. Although the initiative has no legal force at this stage, it reflects a broader trend. Following several high-profile court cases, transaction anonymization services have not disappeared but have instead come under increasing regulatory scrutiny.

The latest debate was sparked by an article published in July 2026 by the journal of China's Supreme People's Procuratorate. Its author suggested that the use of mixers and privacy-oriented assets could be considered one of the factors indicating an intent to conceal the origin of funds if the owner is unable to provide a convincing explanation for such transactions.

While the proposal currently represents a professional legal discussion rather than a legislative initiative, the publication itself reflects a trend that is gradually emerging in other jurisdictions.

Just a few years ago, the key question surrounding crypto mixers was whether governments would be able to shut them down at all. Today, the situation looks extremely diverse.

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Following sanctions against Tornado Cash, the closure of major centralized platforms, and a series of criminal cases, the industry has not disappeared but has become significantly more diverse. At the same time, the use of privacy tools increasingly triggers additional scrutiny from regulated exchanges, blockchain analytics firms, and law enforcement agencies.

From Tornado Cash to a new reality

In practice, such services were used both by ordinary digital asset holders and by criminal groups seeking to conceal the origin of stolen funds.

A turning point came in 2022 when the United States imposed sanctions on Tornado Cash, accusing the protocol of facilitating the laundering of billions of dollars, including funds linked to the North Korean Lazarus Group.

Subsequent court decisions questioned whether sanctions could legally be applied to immutable software code. Moreover, in March 2025, the U.S. Treasury Department removed Tornado Cash from its sanctions list.

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However, this did not mean a return to the industry's previous state.

Despite years of legal battles, Tornado Cash remains operational and continues to be one of the largest privacy protocols in the Ethereum ecosystem. According to TRM Labs, the protocol maintained its leading position among blockchain-based mixing solutions during the first half of 2026, although transaction volumes have yet to recover to pre-sanctions levels.

The fate of the protocol and its developers has also diverged significantly. While sanctions against the service itself have been lifted, criminal proceedings against individuals associated with the project continue.

Roman Storm has already been convicted on one count related to operating an unlicensed money transmitting business. Prosecutors are simultaneously seeking a new trial on more serious charges, including money laundering allegations.

In the Netherlands, Alexey Pertsev continues to appeal his earlier conviction, while Tornado Cash co-founder Roman Semenov remains internationally wanted.

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The Tornado Cash case has also reshaped the approach of U.S. authorities. Regulators have gradually begun distinguishing between immutable software code and the activities of individuals who continue to develop, profit from, or control the infrastructure surrounding such projects.

Today, this distinction has become one of the key factors shaping the future of the entire industry.

The industry shifts toward new solutions

Some projects rely on fully decentralized architectures. Others use collaborative transaction construction mechanisms. A third group attempts to combine financial privacy with regulatory requirements related to anti-money laundering compliance.

At the same time, law enforcement agencies have become increasingly successful in targeting centralized services that maintain owners, servers, and proprietary infrastructure.

Over the past two years, authorities have shut down ChipMixer, Sinbad, Cryptomixer, and several other platforms. Their servers, databases, and cryptocurrency assets have been seized during investigations. These operations demonstrated that traditional centralized mixers remain the industry's most vulnerable segment.

One of the largest players today is Wasabi Wallet, which uses collaborative Bitcoin transaction construction rather than conventional coin mixing techniques. Railgun also continues to develop as a privacy protocol within the Ethereum ecosystem, focusing not only on obscuring the origin of funds but also on enabling private interactions with DeFi applications.

At the same time, a new generation of projects is emerging. Privacy Pools, for example, allows users to prove that their funds are not associated with known criminal activity while preserving transactional privacy.

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Although such solutions remain largely experimental, they illustrate developers' efforts to reconcile financial privacy with verifiable asset provenance.

Meanwhile, blockchain analytics technologies continue to evolve rapidly. Companies specializing in cryptocurrency transaction monitoring increasingly rely not only on direct address links but also on transaction timing, transfer amounts, fund flow patterns, and other behavioral indicators.

As a result, using a crypto mixer no longer guarantees the level of anonymity such services once provided several years ago.

The debate over crypto mixers is only beginning

Recent experience shows that fully decentralized protocols can continue operating even after sanctions or court rulings. The more important question today is how governments will treat the individuals and organizations that use such tools.

That is precisely why the proposal from Chinese prosecutors is particularly noteworthy. It reflects an approach under which law enforcement attention is gradually shifting away from the services themselves and toward user behavior. Whereas the use of a mixer was previously viewed as one possible element of an investigation, some jurisdictions are now proposing to treat it as an independent red flag that requires explanation.

Approaches elsewhere remain different. Following the Tornado Cash case, the United States has attempted to draw a distinction between software code and the activities of individuals who profit from related projects. European authorities, by contrast, remain primarily focused on dismantling centralized services and criminal networks used to conceal the origin of illicit funds.

Nevertheless, one trend is becoming increasingly clear across jurisdictions: regulatory attention is moving away from the underlying technology and toward how it is used. Governments around the world have shown little intention of easing their efforts to combat illicit activity involving cryptocurrency mixers.