BlockBeats News, September 29th, according to crypto reporter Eleanor Terrett, the U.S. Securities and Exchange Commission (SEC) has requested the issuers of LTC, XRP, SOL, ADA, and DOGE ETFs to withdraw their 19b-4 filings as these filings are no longer needed after the approval of the generic listing standards. It is reported that the withdrawals could begin as early as this week.