Grayscale Investments has filed to convert its Grayscale Digital Large Cap Fund (GDLC) into an exchange-traded fund (ETF), expanding its existing suite of crypto ETFs, according to a report by Helene Braun for CoinDesk. GDLC currently trades over-the-counter and tracks the CoinDesk Large Cap Select Index, offering exposure to five major cryptocurrencies: Bitcoin (BTC), Ether