Grayscale Investments will convert its GBTC shares into an Exchange-Traded Fund (ETF) once U.S. regulators approve of such a derivative product, an explainer on Apr 5 reveals. GBTC versus Bitcoin ETF GBTC is a share of the Grayscale Bitcoin Trust–an SEC-Reporting firm. It distinguishes itself from others by being compliant with regulators’ laws, allowing deep-pocketed