Digital Currency Group - the parent of Grayscale Investments - announces authorization for the purchase of up to $250M worth of Grayscale Bitcoin Trust (GBTC). The GBTC of late has consistently traded at a discount to net asset value (that value being made up wholly of bitcoin). The fund currently has north of $14B in AUM.In other news, a check of job listings suggests Grayscale is planning on an ETF launch, as the company last night posted a number of ETF-related positions. Grayscale's trusts currently come with sizable fees and do not trade on the major exchanges, but instead OTC.Checking prices, bitcoin (BTC-USD) had a highly volatile night, but is currently about flat from a day ago at $55.7K. The all-time high is roughly $58.5K.There have recently been a couple of Bitcoin ETF launches in Canada, and the Osprey Bitcoin Trust (OBTC) in the U.S. which charges a smaller fee than