(Bloomberg) -- An upstart ETF firm is debuting the first-ever funds tracking futures in Solana, the sixth-largest cryptocurrency, after the blockbuster success of Bitcoin products.Most Read from BloombergDespite Cost-Cutting Moves, Trump Plans to Remake DC in His StyleNYC Plans for Flood Protection Without Federal FundsA Malibu Model for Residents on the Fire FrontlinesThe Scary Thing About the Wildfire That Was StoppedFlorida-based Volatility Shares LLC is launching a pair of funds tracking Sol