12:00-21:00 Keywords: OpenAI, Strategy, UK FCA, a16z 1. Hong Kong's "stablecoin Bill" comes into effect 2. OpenAI raises US$8.3 billion at a US$300 billion valuation 3. Michael Saylor: Strategy can buy 1.5 million BTC 4. The number of non-farm payrolls in the United States increased by 73,000 in July, which was lower than market expectations 5. The UK FCA announced that it will open retail investors to participate in crypto ETN transactions 6. Trump: If Powell does not cut interest rates, the Council should take over control. 7.a16z points out loopholes in the definition of "ancillary assets" in the draft cryptocurrency regulation bill