Coinbase backs Grayscale's lawsuit against the SEC, saying the SEC's refusal to convert the Grayscale Bitcoin Trust (GBTC) into a spot Bitcoin ETF "failed to apply consistent treatment to similar investment vehicles" way,” the same argument was made in Coinbase’s amicus brief filed with the U.S. Court of Appeals for the District of Columbia. Additionally, multiple crypto-centric nonprofits also participated in the defense as amicus curiae, including the Blockchain Association, Chamber of Digital Commerce, Chamber of Progress, and Coin Center.