According to the SEC's website, the 19b-4 filings for Solana, XRP, Cardano, Litecoin, Dogecoin, Polkadot (DOT), Hedera (HBAR), and Ethereum (ETH) Staking ETFs have been withdrawn. As is known, the US Securities and Exchange Commission (SEC) made an important move yesterday that paved the way for altcoin ETFs.