BlackRock has accumulated approximately $1.027 billion worth of Bitcoin and Ethereum over three consecutive days, acquiring 9,619 BTC and 46,851 ETH. This significant inflow of institutional capital coincides with heightened market volatility and ongoing Ethereum network upgrades. Despite recent short-term price declines, BlackRock's buying activity suggests strong bullish sentiment and potential for price support around $90,000 for Bitcoin and $3,200 for Ethereum.