Overview of important developments overnight on May 1

21:00-7:00 Keywords: Musk, Arbitrum, OpenAI1. Musk: Most cryptocurrencies are scams;2. Trump: Doesn't care whether Powell remains as a director;3. The U.S. Crypto Market Structure Act is about to advance, and ethical disputes are the key;4. The U.S. Senate passed regulations restricting senators 'participation in predicting market transactions;5. U.S. officials said the cost of the Iranian war could reach US$50 billion, twice the official disclosure; 6. The Arbitrum DAO launched a vote to release 30,766 ETH to be used in the aftermath of the Kelp attack; 7. OpenAI's $500 billion Stargate project is being adjusted, and some projects have even been abandoned.