https://www.cnbc.com/2018/01/26/japanese-cryptocurrency-exchange-loses-more-than-500-million-to-hackers.html

Hackers stole several hundred million dollar's worth of one lesser-known cryptocurrency from a major Japanese exchange Friday.

Coincheck said that around 523 million of the exchange's NEM coins were sent to another account around 3 a.m. local time (1 p.m. Thursday, ET), according to a Google translate of a Japanese transcript of the Friday press conference from Logmi. The exchange has about 6 percent of yen-bitcoin trading, ranking fourth by market share on CryptoCompare