Grayscale filed paperwork with the U.S. Securities and Exchange Commission (SEC) on Tuesday for three crypto exchange-traded funds, expanding its roster of potential offerings as issuers jockey for regulatory approval. The asset manager submitted an S-1 registration for a Litecoin (LTC) ETF, a move that follows its earlier bid to convert the Grayscale Litecoin Trust into an ETF. At the same time, it lodged S-3 filings for exchange-traded funds tied to Bitcoin Cash (BCH) and Hedera (HBAR). If approved, ...