#GENIUSAct EI GENIUS Act (Guiding and Establishing National Innovation for U.S. Stablecoins Act) is a key legislation passed by the U.S. Senate on May 19, 2025, with a vote of 66 to 32. Its goal is to establish the first comprehensive federal regulatory framework for stablecoins, asset-backed cryptocurrencies such as the U.S. dollar. The law requires stablecoin issuers to maintain reserves in e and Treasury securities and comply with the rules.