[Golden Finance News] Grayscale Investments recently submitted an S-1 document to the U.S. Securities and Exchange Commission (SEC) regarding its Mini Spot Ethereum ETF. According to public documents, the product has a zero fee rate. Bloomberg analyst Eric Balchunas said that Grayscale's move may have a positive impact on the DeFi market and further promote the development of Ethereum. Investors are requested to pay close attention to subsequent developments.