In addition to the three largest mutual funds of BlackRock, Franklin, and Fidelity, as well as the earliest approved BTC ETF fund companies such as Bitwise, Grayscale, and Ark, if we see some unknown fund companies announcing the submission of inexplicable altcoin ETFs to the SEC, there is no doubt that these fund companies are likely to charge advertising fees, and the main force behind them may need to take the opportunity to increase their sales.