Overview of important developments overnight on July 21

21:00-7:00 Keywords: Google, Canada, Exodus, Cobalt upgrade 1. The US military claims to launch a new round of strikes against Iran;2. The United States announced a 50% tariff increase on some Canadian products;3. Google (GOOG.O) is developing the "FrozenV2" chip;4. Hacking the official website of the Kenyan President and demanding 5 bitcoin ransom;5. BlackRock plans to raise more than US$12 billion in debt for the data center; 6. Base announced that the Cobalt upgrade will be launched in September, focusing on three major UX improvements;7. Cryptowallet company Exodus cuts 25% of its workforce and shifts to a stablecoin payment infrastructure strategy.