Grayscale now holds $20 billion under its control as its Bitcoin (BTC) buys increased from one to three. Coin98 reported, that Grayscale has almost bought three times more bitcoin than the amount added to the market in December 2020. In 2020 December, the company added a total of 72,950 BTC ($2.132 billion) to its assets under management (AUM). At the same time, miners generated just 28,112 BTC ($821.7 million) — 38.5% of Grayscale's buy-in.