The first U.S. spot exchange-traded funds (ETFs) for Solana (SOL), Hedera (HBAR) and Litecoin (LTC) began trading Tuesday, opening a new door for investors seeking regulated exposure to crypto assets beyond bitcoin and ether. If early momentum holds, Solana’s ETF alone could pull in over $3 billion in the first 12 to 18 months, according to Bloomberg Intelligence ETF analyst James Seyffart. “A good frame of reference is to look at the size of Solana in relation to bitcoin and Ethereum,” Seyffart said. “S ...