Benzinga and Yahoo Finance LLC may earn commission or revenue on some items through the links below. The first U.S. cryptocurrency index exchange-traded fund has gone live for trading. ​ "We are ushering in the age of crypto index investing," Grayscale CEO Peter Mintzberg told CNBC last week as the Grayscale Digital Large Cap Fund (NYSE: GDLC) finally went live for trading. ​ The fund, also known as the Grayscale CoinDesk Crypto 5 ETF, provides investors with exposure to the top five largest and most l ...