Crypto is in meltdown mode this week.
The crypto world went into a full meltdown this week in a sell-off that graphically illustrated the risks of the experimental and unregulated digital currencies. The moment of panic amounted to the worst reset in cryptocurrencies since Bitcoin plummeted 80 percent in 2018, David Yaffe-Bellany, Erin Griffith and Ephrat Livni report for The New York Times.