The SEC recently postponed the approval of five cryptocurrency ETFs, and this decision isn't too surprising. The SEC has always been known for its caution, especially when it comes to volatile assets like altcoins. Their attitude has always been careful, as they are more concerned that the entire crypto market is still not stable enough, and the regulatory framework hasn't fully caught up. However, if I were to say which ETF is most likely to be approved, I believe it would be one focused on Solana (SOL). Why? First of all, Solana's technology has developed rapidly in recent years, with its high throughput and low transaction costs making it stand out in the market, especially in the decentralized finance (DeFi) and NFT sectors where it has strong application scenarios. Secondly, Solana's ecosystem is continually growing, with an influx of various projects and developers making it more 'reliable' than many other altcoins. Compared to some other cryptocurrencies, Solana's stability and innovation are likely to impress the SEC.