1. Powell claims that the Federal Reserve has no authority to purchase Bitcoin, sparking market discussions 2. BlackRock withdraws over 11000 ETH and 12 BTC from Coinbase 3. US Senator Proposes New Cryptocurrency Market Structure Framework 4. Anthony Pompliano's company purchases $386.5 million in Bitcoin 5. The Japan Financial Services Agency is considering including encrypted assets in the Financial Instruments and Transactions Act 6. Mastercard joins stablecoin alliance Global Dollar Network 7. Ethereum developers propose 6-second block time to improve network efficiency 8. Grayscale updates spot Solana ETF S-1 application, disclosing 2.5% management fee The above is a selection of hot topics from the past 24 hours. Click to see the full article: https://www.aicoin.com/article/468004