Overview of important developments overnight on April 15

21:00-7:00 Keywords: CoWSwap, OpenGradient, Goldman Sachs, Wash 1. Goldman Sachs plans to launch a "Bitcoin Premium Income ETF";2. The Ethereum Foundation launches the Ethereum Audit Subsidy Program;3. The Federal Reserve Chairman's nominee, Wash, disclosed that he holds cryptocurrencies;4. The US Vice President said he was "optimistic" about the current progress of the situation in the United States and Iran; 5. There was a problem with the front end of CoWSwap, reminding users not to use it for the time being;6. The Israel-Lebanon-US trilateral talks ended and Israel agreed to start direct negotiations; 7. OpenGradient completed US$9.5 million in financing, with a16zcrypto participating.