.@Grayscale has challenged the U.S. Security and Exchange Commission’s move to pause the debut of its exchange-traded fund that holds Bitcoin, Ethereum, Solana, XRP, and Cardano, alleging its investors are “suffering harm” as a result of the hold-up. https://decrypt.co/329819/secs-halt-etf-xrp-solana-investors-suffering-harm-grayscale