AI hottest but with high risk exposure（Jane Street due to AI hedge fund liquidation 7 月巨亏 150 亿）+ Institutions continue to build positions in BTC（Goldman Sachs $2.25B front-runs Bitcoin spot ETF returns, Jump transfers 1,560 BTC to Binance to sell）+ Storage/AI dual track（Micron $250M AI fund）+ Stablecoin compliance rolled out (OCC grants a banking license to World Liberty). On the security front, Coldcard vulnerabilities have resulted in the theft of a total of 1,778 BTC. Self-custody wallet users must remain highly vigilant.