As Bitcoin hovered around $38,000 last April—down 45% from its peak—Fidelity Investments announced its customers could soon add the digital asset to their retirement accounts through a first-of-its-kind offering. By the time the firm’s 401(k) product launched the following fall, the value of Bitcoin had sunk even more, hammered throughout the summer by a tightening economy and fallout from the $60 billion implosion of cryptocurrencies Luna and TerraUSD. Bitcoin was changing hands at $20,000 by early November. And then the crypto exchange FTX, once valued at $32 billion, buckled in Chapter 11 bankruptcy, casting a ... (full story)