Bitcoin and Ethereum ETFs saw substantial outflows on August 19, with Bitcoin ETFs recording a net outflow of 1,717 BTC, equivalent to $197.19 million. Grayscale's Bitcoin Trust (GBTC) alone accounted for 722 BTC of these outflows, valued at $82.87 million, while maintaining a total holding of 179,855 BTC, worth $20.66 billion. Similarly, Ethereum ETFs experienced a net outflow of 63,778 ETH, amounting to $272.71 million. Grayscale's Ethereum Trust (ETHE) contributed to this with an outflow of 23,427 ETH, valued at $100.17 million, and currently holds 1,107,989 ETH, valued at $4.74 billion.