United States regulators are reviewing a request to list the first exchange-traded fund (ETF) to holding a diverse basket of cryptocurrencies, including several altcoins, asset manager Grayscale said on Nov. 4. On Oct. 29, securities exchange NYSE Arca asked the Securities and Exchange Commission (SEC) for permission to list shares of Grayscale Digital Large Cap Fund (GDLC). “[T]he proposed rule change, if adopted, would represent the first national securities exchange ruleset permitting the listing and trading of shares of multi-crypto asset [ETFs],” Grayscale said. The fund holds a crypto in…