The U.S. Senate Committee on Banking, Housing and Urban Affairs minority published a letter led by Ranking Member Elizabeth Warren, joined by Senators Mazie K. Hirono and Dick Durbin, urging Deputy Attorney General Todd Blanche to reverse Department of Justice decisions that would scale back cryptocurrency-related investigations and prosecutions and disband the National Cryptocurrency Enforcement Team (NCET). The letter responds to an April 7, 2025 memo that, according to the senators, would stop enforcing certain federal laws against entities that handle digital assets, including mixing and tumbling services. The lawmakers argue that mixers are frequently used to launder stolen cryptocurrency and are associated with criminal activity including drug trafficking, child sexual exploitation, scams, and sanctions evasion, including by North Korea. They also cite NCET’s role since its 2021 creation in coordinating prosecutions involving illicit cryptocurrency activity, including cases involving hundreds of millions of dollars in digital assets, and raise concerns about potential connections between DOJ’s actions and cryptocurrency ventures involving President Trump and his family.