Since its peak last fall, Bitcoin, the world’s largest cryptocurrency, has lost almost half its value. Nearly $2 trillion of wealth has evaporated from the global crypto market since October. We have one question. What took so long? Outside of crimes and scams, the technology is useless, and its economics are even worse. ....At a time when investors have grown skittish about riskier assets, the value of Bitcoin has fallen nearly 50 percent since October, dropping to below $70,000, proving it was only a matter of time before crypto faced the critical lens it always needed but never truly received....