TLDR: Japanese exchange hacked, half a billion dollar worth of funds seem to be stolen
Update Jan. 26, 2:00 pm UTC: NEM Foundation president Lon Wong has appeared to confirm Coincheck was hacked, calling the stolen funds "
the biggest theft in the history of the world."
Update Jan. 26, 3:00 pm UTC: Coincheck has reported the likely
inappropriate transfer of $532 mln worth of XEM to the Financial Services Authority and the Police, according to Nikkei.
https://cointelegraph.com/news/japan-coincheck-exchange-freezes-all-withdrawals-as-up-to-723-mln-leaves-its-wallet 
Truly sad news for all Nembers today.
ohh.. so that the reason why the withdrawal of coincheck today is on freeze?
hope this news will not affect the value of xem on the market.