Techub News Report, according to AMBCrypto, Grayscale has submitted an amended S-3 registration statement for its spot Bitcoin ETF to the U.S. Securities and Exchange Commission, a key step in converting GBTC into an ETF. This revision aims to update GBTC's registration from a trust structure to an ETF structure and follows the standard requirements outlined by the SEC in previous applications. Grayscale CEO Michael Sonnenshein stated that the company is actively working with the SEC to advance this process. Market analysts believe this move indicates that Grayscale is making efforts to meet regulatory requirements in hopes of ultimately gaining approval.