Hedge funds have billions of dollars stuck on failed cryptocurrency exchange FTX and could face years of waiting to recover anything at all from a marketplace they once believed to be one of the industry’s most reliable bets. In a situation reminiscent of Lehman Brothers in 2008, which left billions of dollars of hedge funds’ assets trapped for years, investors who traded on the Bahamas-based exchange have found themselves among the thousands of creditors in a highly complex bankruptcy.