Overview of important developments overnight on April 19

21:00-7:00 Keywords: Iran, Bitcoin ETF, Pump.fun1. Iran says the Strait of Hormuz is closed;2. US spot Bitcoin ETF net inflow of $996.5 million this week;3. Iran: will control the passage of the Strait of Hormuz until the war is completely over; 4. Pump.fun official Instagram account has been hacked, please be vigilant;5. The US military says it has "completely cut off" Iran's economic trade in and out by sea.