BlackRock moved 7,160 BTC and 98,850 ETH to Coinbase Prime over a 48-hour period. Coinbase Prime is a brokerage and custody platform used by institutional clients, and transfers to such venues are often watched by traders for signs of portfolio rebalancing, custody changes, or potential market activity. The transfer indicates large-scale institutional asset movement, but the information provided does not establish whether the holdings were sold, prepared for settlement, or repositioned for another purpose.