Grayscale is launching a new crypto-based investment product called the Digital Large Cap Fund. Another Grayscale fund, the Bitcoin Investment Trust (Ticker: GBTC), has become quite popular over the past year. Investing in GBTC is one of the only ways for individuals to gain exposure to Bitcoin using funds in their 401(k) or IRA. The Digital Large Cap Fund will hold Bitcoin, Ether, Ripple, Bitcoin Cash and Litecoin.