Crypto asset management company Grayscale has filed the opening brief in its lawsuit against the U S. Securities and Exchange Commission (SEC), challenging the agency's decision to deny its application to convert the GBTC into a spot Bitcoin ETF. Grayscale, which has been trying to convert its flagship Grayscale Bitcoin Trust fund (GBTC) into a spot BTC ETF for years, called the SEC's decision “arbitrary, capricious, and discriminatory" in an opening legal brief filed on Tuesday. ...Read More: Grayscale Ramps Up Efforts Against SEC For Rejecting Bitcoin ETF