According to Lookonchain monitoring, on August 21, US Bitcoin and Ethereum ETF data revealed that: Ten U.S. Bitcoin ETFs totaled a net inflow of 601 BTC, or about $35.90 million, with iShares flowing 933 BTC, or about $55.77 million, and current iShares holdings of 351,454 BTC, worth about $21 billion. Nine U.S. Ethereum ETFs have a combined net inflow of 5,662 ETH, or about $14.77 million, of which iShares has inflows of 10,300 ETH, or about $26.86 million, and current iShares holdings are 332,723 ETH, worth about $867.74 million.