The company tasked with locking down assets of the failed cryptocurrency exchange FTX Trading said it has recovered $740 million in assets so far, a fraction of the potential billions of dollars likely missing from FTX's coffers.Experts told CBS MoneyWatch that customers will likely have to wait years to get their money back, while many may never recover the funds.Problems facing FTX came to light earlier this month when Bankman-Fried told a group of investors the company needed about $8 billion to back up its users' crypto assets.The company experienced crypto's version of a bank run earlier this month when users withdrew about $5 billion in a single day amid rising concerns about FTX's solvency.BitGo provides what is known as "qualified custodian" services under South Dakotan state law."