$BTC 《21st Century Financial Innovation and Technology Act》（FIT21）：In May 2024, the U.S. House of Representatives passed FIT21. The bill establishes clear federal requirements for the digital asset market, providing consumer protection and regulatory clarity for the digital asset ecosystem to thrive in the U.S. 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 State Act": In May 2024, the U.S. House of Representatives narrowly passed this bill, aimed at preventing the issuance of central bank digital currency (CBDC) without congressional authorization, arguing that it threatens the "financial privacy rights of Americans."

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

• Arizona Bitcoin Reserve Bill: In April 2025, the U.S. House of Representatives in Arizona 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 like Bitcoin, although it currently awaits the governor's signature.