Key Developments at Noon on May 1

7:00 (UTC+8) - 12:00 (UTC+8) Keywords: Arbitrum, Kelp, US Debt1. US debt has exceeded 100% of GDP for the first time since World War II;2. Syndicate Labs confirmed that the attack incident was caused by a private key leak;3. Iranian Ministry of Foreign Affairs: It is unrealistic to expect Iran-US negotiations to reach a quick result;4. Sources: The crypto market structure bill may advance in mid-May;5. Democratic senators are pressuring the US Secretary of Commerce regarding Tether's alleged bribery;6. Arbitrum DAO has begun voting on the release of frozen Ethereum;7. Kelp: The recovery fund donation commitment has been fulfilled, and rsETH reserve support will be gradually restored.