According to a report by HODL15 Capital, more than 20 companies have the opportunity to join the Bitwise Bitcoin Standard Corporations ETF, with Bitcoin mining companies making up 30% of the fund. Bitwise previously announced that it had filed an application with the US Securities and Exchange Commission (SEC) to launch the Bitcoin Standard Corporations ETF. The fund aims to invest in the shares of companies that adopt the Bitcoin Standard, which requires them to hold at least 1,000 Bitcoins in their reserves.