ChainCatcher Message Display: The U.S. Bitcoin Spot ETF has been online for 50 weeks, and market dynamics are attracting attention. According to data from HODL15Capital, BlackRock's IBIT ETF saw its holdings surge from an initial 2,621 bitcoins to 552,555 bitcoins during this period, demonstrating strong market appeal and an increase in investor confidence. Meanwhile, Grayscale's GBTC Bitcoin holdings significantly decreased from 619,200 bitcoins to 206,860 bitcoins, indicating a notable shift in market capital flow. This change may reflect an increasing preference among investors for spot ETFs and a weakening demand for Grayscale trust products.