BlackRock's Ethereum ETFs experienced notable inflows and trading activity on April 21. The BlackRock ETH ETF ($ETHA) recorded a net inflow of 16,006 ETH, equivalent to $37 million, with a trading volume of $0.4 billion. Meanwhile, the BlackRock Staked ETH ETF ($ETHB) saw a net inflow of 6,687 ETH, valued at $15.46 million. The $ETHB fund holds a total of 247,448 ETH, comprising 185,586 staked ETH and 61,862 regular ETH.