According to Foresight News, U.S. Senators Ron Wyden and Cynthia Lummis wrote to U.S. Attorney General Merrick Garland to express "serious concerns" about the Justice Department's expansion of the definition of money transmission established by the Treasury Department's Financial Crimes Enforcement Network. Previously, the Justice Department accused two cryptocurrency mixers, Samourai Wallet and Tornado Cash, of operating unlicensed remittance businesses.