- $400 million worth of cryptocurrency has disappeared from a Japanese exchange.
- About 500 million NEM coins vanished, according to officials at CoinCheck.
About $400 million worth of cryptocurrency has vanished and no one is sure exactly what happened.
CoinCheck, a prominent cryptocurrency exchange based in Tokyo, said 500 million NEM coins vanished after they were "illicitly" transferred off the exchange, according to a Bloomberg News report.
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