Golden Finance reports that, according to Lookonchain monitoring, on December 17, ten U.S. Bitcoin ETFs had a net inflow of 4,790 BTC (USD 508.25 million), of which BlackRock had an inflow of 3,935 BTC (USD 417.52 million). Currently, BlackRock holds 542,956 BTC (USD 57.61 billion); nine Ethereum ETFs had a net inflow of 12,347 ETH (USD 4.865 million), of which BlackRock had an inflow of 7,572 ETH, and currently, BlackRock holds 991,151 ETH (USD 3.91 billion).