According to HODL15Capital, the US Bitcoin ETFs showed strong growth in July. By July 21st, the total inflow had reached 41,158 bitcoins, indicating an increase in investor interest in the cryptocurrency market. BlackRock's IBIT ETF was dominant, showcasing large institutional investors' interest in bitcoin as an asset allocation. Meanwhile, miners added 4,500 BTC during the month, possibly due to profit motives or expectations of future market trends. This series of data reflects a crucial indicator for the current state of the Bitcoin market.