美國參議員Bill Cassidy和Cynthia Lummis提出《美國挖礦法案》，旨在將比特幣挖礦帶回美國，建立「美國挖礦」認證計畫，增強礦業基礎設施，推動國內製造綠色挖礦硬體，並將戰略比特幣儲備納入法律框架。這標誌著美國在數位資產策略上的重要轉變，預計會促進國內投資與技術創新。

The South Korean People Power Party has proposed canceling the 22% cryptocurrency capital gains tax scheduled to take effect in 2027, arguing that the current tax system is immature and could create unfairness, particularly affecting young investors. The party is concerned that strict taxation will lead to capital outflows, with $110 billion already having left the market, impacting market activity. The bill is still under review, and its passage remains uncertain. If passed, it could boost market confidence and attract more investors.

U.S. Senate votes to confirm Marin as Secretary of Homeland Security, calling for quick passage of budget bill to restart the department. The Department of Homeland Security is currently facing a shutdown, with related event probabilities fluctuating. Marin supports Trump's immigration policies and has committed to reducing media attention.

Delaware state legislators proposed the Delaware Payment Stablecoin Act (SB19), aimed at establishing a state-level regulatory framework for stablecoin issuance, requiring issuing institutions to obtain licenses, maintain 1:1 reserves, and regularly disclose information. The bill coordinates with federal regulation, positioning stablecoins as payment tools, attracting digital asset projects to settle in the state, potentially making Delaware an important registration jurisdiction.

U.S. House Republicans rejected a Senate legislative deal that attempted to combine a community bank deregulation bill with cryptocurrency legislation in exchange for support for a housing affordability bill. The House Financial Services Committee expressed skepticism and hopes the Senate will adopt the House's housing proposal instead.

The latest draft of the US CLARITY Act proposes restrictions on platforms providing yield for stablecoin holdings, prohibiting returns similar to bank deposit interest. The draft permits loyalty and promotional rewards, but these must avoid being viewed as "interest-like." Regulators will jointly define compliant forms, with some industry insiders believing the draft is more stringent.

Ripple and its co-founder Chris Larsen each donated $5 million to Golden State Promise to oppose California's 2026 billionaire tax bill, which requires billionaires to pay a one-time wealth tax and has prompted multiple billionaires to leave California.

March 20th, the U.S. Senate saw a breakthrough in stablecoin yield legislation discussions, with the key lying in building a compromise framework. Senators pointed out that the focus has shifted to identifying stakeholders rather than bill details, and the White House maintains a cautious stance. The latest discussions plan to restrict the use of traditional financial terminology, aiming to reduce regulatory pressure. Stablecoin-related business has become an important part of platform revenue, and policy changes could impact business models. The probability of this bill passing by 2026 is estimated at 61%.

The U.S. cryptocurrency market structure CLARITY Act negotiations are nearing completion, with updated text submitted to the White House, and the Senate discussing bridging final gaps. Compromises on stablecoin yield are imminent, with some concessions to community banks still under discussion. Meanwhile, the SEC has released crypto asset classification definitions, emphasizing the need for Congress to rewrite legislation.