CoinWorld.net April 5 News: 1. The Ethereum Foundation's staked amount has reached 46k ETH; 2. Preliminary investigation into the Drift hacking incident indicates team members were personally contacted by North Korean intermediaries; 3. Polymarket: The prediction markets related to the U.S. military personnel in Iran rescue operation have been delisted; 4. International Energy Agency Director: The continued closure of the Strait of Hormuz will double the losses of crude oil and refined products in April; 5. U.S. media: Indirect negotiations between the U.S. and Iran have not made any substantial progress; 6. U.S. officials: The second missing pilot has been rescued, and the rescue team has not yet withdrawn from Iran; 7. Iranian military refuses Trump's 48-hour ultimatum.