Japanese cryptocurrency exchange loses more than $500 NEM and XRP

Jpanese cryptocurrency exchange loses more than $500 million to hackersJapanese cryptocurrency exchange Coincheck says Friday that around 523 million of the exchange’s NEM coins were sent to another account around 3 a.m. local time.The stolen coins were worth about 58 billion yen at the time of detection, or roughly $534.8 million, according to the exchange.Coincheck management says it held the NEM coins in a “hot” wallet, referring to a method of storage that is linked to the internet.