Grayscale Investment Trust was established in 2013 by Digital Currency Group. DCG is one of the most active and influential crypto capital in the world, and its Investment territory spans all segments of the blockchain industry. Gray Fund, founded by DCG in 2013, is a trust fund of Gray Investment dedicated to the management of crypto assets. It is an investment fund based on the market value of its bitcoin holdings. It serves institutional investors and high net worth qualified investors through a compliant fund operation. Greyscale Trust started its explosive growth in 2017. As of November 8, 2020, greyscale's total cryptocurrency trust reached $9.1 billion. The total amount of bitcoin BTC holdings has reached 2.75% of the total amount of BTC, while the BTC holding address of binance, the leading exchange in the circle, is only 0.36%, indicating the strength of gray scale. Greyscale has become the world's largest cryptocurrency asset manager. In addition to the Bitcoin trust fund, Grayscale also owns trust funds including nine mainstream digital currencies such as Ethereum ETH, Litecoin LTC, and Bitcoin Cash BCH, as well as composite cryptocurrency trust funds including mainstream currencies. Grayscale trust is the most common five mainstream coins, respectively: grayscale Bitcoin Trust (code: GBTC) grayscale Bitcoin Cash trust (code: BCHG) grayscale Ethereum Trust (code: ETCG) grayscale Litecoin Trust (code: LTCN)