最新报道:Grayscale Investments has filed S-1 registration forms with the SEC for Cardano (GADA) and Polkadot ETFs, adopting cash-only creation mechanisms and citing risks like ADA’s potential security classification. The filings are part of a broader push involving 92 altcoin ETF applications, with market sentiment showing an 87% approval probability for Cardano. If approved, these could drive institutional adoption and reshape crypto investment avenues.