According to Lookonchain monitoring, on December 16, ten US bitcoin ETFs had a net inflow of 5,922 BTC (626.86 million US dollars), of which BlackRock inflows 3,867 BTC (409.31 million US), and BlackRock currently holds 539,021 BTC, worth 57.05 billion US dollars; Nine Ethereum ETFs had a net inflow of 17,019 ETH ($66.95 million), of which 18,846 ETH ($74.14 million) was inflow into the Grey Release Ethereum Mini Trust, which currently holds 474,739 ETH worth $1.87 billion.