Grey release released a report on October 29 that its mini bitcoin and ethereum ETFs attracted $750 million in the first three months. Grey release bitcoin mini trust and grey release mini ethereum trust were spun off from BTC and ETH funds respectively and went public in July. The mini trust has an administration fee of 0.15%, excluding promotional fees, which is the lowest base fee charged in a spot cryptocurrency ETF. John Hoffman, managing director and head of distribution and partnerships at Grayscale, said in a statement: "The success of BTC and ETH to date is emblematic of strong customer demand for low-cost crypto ETPs."