Summary of Key Developments on the Evening of April 22

12:00 (UTC+8) - 21:00 Keywords: OpenAI, Vitalik, DeepSeek, Google Cloud1. The Democratic Party of Korea plans to propose a stablecoin bill after the June elections2. Robinhood Ventures invests $75 million in OpenAI3. Vitalik: Simplifying the Ethereum system is important, with a focus on hardware layer development4. Iranian Ministry of Foreign Affairs: No decision yet on whether to participate in a new round of talks with the United States5. Tencent and Alibaba are in talks to invest in DeepSeek at a valuation of over $20 billion6. Google Cloud launches a $750 million fund to help partners accelerate the development of agent-based artificial intelligence7. A certain exchange calls on Congress to promote a minimum exemption policy for crypto tax and to allow flexible taxation timing for staking rewards