During the weekend it was revealed that CoinCheck's hot wallet was hacked and customer funds in XEM coins, indigenous into the NEM blockchain, https://www.forexbrokerz.com/news/Co...security-flaws
So far the the executives of this Japanese cryptocurrency exchange refused to admit safety flaws.
At a news conference on Sunday, the CEO of CoinCheck and a lot of other executives told reporters that the exchange is currently planning to refund its clients and resume trading, without revealing further information. It appears there are no plans that are particular and nobody at Coincheck understands the funds were stolen.