Check out the latest crypto news stories from April 1st to 6th, which include updates on regulations, financial activities, and new partnerships within the industry. Circle, the creator of USDC stablecoin, has filed for an IPO on the NYSE with the ticker symbol CRCL, indicating the growing institutionalization of crypto firms. Coinbase CEO Brian Armstrong has called for clearer regulations to enable stablecoin holders to earn interest, potentially unlocking new financial services. Institutional investor STRATEGY has acquired 22,048 BTC, showing a rising interest in Bitcoin as a store of value. Former President Trump has introduced new tariffs that could impact international crypto markets, raising concerns about global adoption. The U.S. Treasury has revealed its Bitcoin holdings, underscoring the increasing integration of crypto assets into mainstream finance. Eric Trump and Hut 8 have launched an "American Bitcoin" mining company, aiming to enhance the U.S. Bitcoin mining sector. Fidelity has introduced a commission-free Crypto IRA, expanding the mainstream adoption of crypto assets. Binance has witnessed a decline in altcoin prices following leverage cuts, causing worries among traders and regulators.