Overview of important developments overnight on July 15

21:00-7:00 Keywords: Coinbase, OpenAI, CleanSpark, Wash 1. Coinbase opens user registration in the mainland of China;2. The US military has confirmed a new round of crackdown on Iran; 3. OpenAI has access to Kalshi's forecast market data;4. Wash: If the Federal Reserve adjusts its balance sheet, the market will receive full notice;5. The U.S. government has seized 296,710 USDTs in the Bitfinex hacking case and transferred them to CoinbasePrime;6. JPMorgan Chase: Circle and Coinbase's stablecoin business profit margins are under pressure and lowered profit expectations; 7. Although mining difficulty dropped by more than 10%, the bitcoin production of CleanSpark, BitFuFu and Canaan fell month-on-month in June.