U.S. Treasury Recognizes Legality of Crypto Mixers

In March 2026, the U.S. Treasury confirmed the importance of using cryptocurrency mixers for financial privacy protection through a report to Congress. Prepared under the GENIUS Act, the document acknowledges that these tools are not synonymous with criminal activities.

Policy Change History

In 2022, the OFAC (Office of Foreign Assets Control) imposed sanctions on the mixer Tornado Cash for alleged money laundering assistance. In 2025, these sanctions were lifted by a court decision, marking a paradigm shift in the approach to cryptocurrency mixers.

Role of Mixers in Digital Economy

For the first time, the U.S. Treasury’s report officially distinguishes between custodial and non-custodial mixers. The former, due to their nature, are required to register as money transmitters and cooperate with regulators. Non-custodial services were not given any new restrictions, confirming the department’s commitment to balance regulation with privacy rights.

Interaction with Major Market Players

The report analyzes the role of mixers in conjunction with stablecoins and cross-chain bridges. Since May 2020, $37.4 billion in USDT and USDC has been moved through 50 bridges, with $1.6 billion passing through mixers. This aspect highlights the importance of developing new control methods against illegal operations in a rapidly evolving industry.

Trends and Legislation

In light of the report, the Treasury is laying the groundwork to protect developers and users of non-custodial solutions from over-regulation. This supports initiatives such as the bill by Senators Cynthia Lummis and Ron Wyden, proposing to exempt such services from licensing.

Conclusion

The analysis by the U.S. Treasury solidifies a rethought approach to cryptocurrency mixers at the national legislative level:

• Strengths: Support for privacy rights, reducing the risks of overregulation.
• Risks: Potential use of mixers in illegal schemes.
• Opportunities: Development of safe tools for data protection.
• Threats: Pressure from international regulators and attempts to curb innovation.

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