The president of the ETF Store, Nate Geraci, predicts the approval of spot ETF applications for XRP, Solana, and Litecoin.The journey of crypto spot ETF products started with a court ruling in the Grayscale vs. SEC legal dispute.Bitcoin spot ETF market is valued at $60 billion, and the Ethereum spot ETF market is valued at $7 billion.The SEC will respond to the applications for XRP, Solana, and Litecoin spot ETFs after 8-9 months.