ETF issuers are set to start withdrawing their XRP, SOL, ADA, DOGE, and LTC filings as early as this week. The U.S. Securities and Exchange Commission (SEC) has reportedly asked exchange-traded fund (ETF) issuers to withdraw their 19b-4 filings for XRP, Litecoin (LTC), Solana (SOL), Cardano (ADA), and Dogecoin (DOGE) ETFs.