#美国加密立法 《21st Century Financial Innovation and Technology Act》(FIT21): In May 2024, the U.S. House of Representatives passed FIT21. This legislation establishes clear federal requirements for the digital asset market, providing consumer protection and regulatory clarity for the thriving digital asset ecosystem in the United States. It clarifies the jurisdiction of the U.S. Commodity Futures Trading Commission (CFTC) over digital commodities, as well as the jurisdiction of the U.S. Securities and Exchange Commission (SEC) over digital assets that are part of investment contracts.

• The CBDC Anti-Surveillance National Act: In May 2024, the U.S. House of Representatives passed this act by a narrow margin, aiming to prevent the issuance of central bank digital currencies (CBDCs) without congressional authorization, citing threats to the "financial privacy rights of Americans."

• Trump Signs Bill Overturning DeFi Tax Reporting Mandate: On April 11, 2025, U.S. President Trump signed the Congressional Review Act, overturning previous tax regulations that required DeFi platforms to submit user transaction data to the Internal Revenue Service (IRS), thereby freeing up space for decentralized financial innovations.

• Arizona Bitcoin Reserve Bill: In April 2025, the Arizona House of Representatives passed two Bitcoin reserve bills, SB1025 and SB1373, allowing the state treasury and pension systems, as well as the digital asset strategic reserve fund managed by the state treasurer, to invest a certain percentage of funds in digital assets such as Bitcoin; however, it currently awaits the governor's signature.