Grayscale has officially filed for the first-ever spot Cardano ETF, marking a significant achievement in the cryptocurrency investment space. This momentous step represents the 60th crypto ETF filing of the year, eliciting strong market reactions and causing ADA to surge by 11 percent. Should this ETF receive approval, it could pave the way for increased institutional interest in Cardano and set a precedent for future altcoin ETFs. Investors are increasingly optimistic as they anticipate potential regulatory approvals in the altcoin market, which continues to evolve.