Exchanges are highly targeted by hackers since there are alot of money in there. Therefore, it is really important not to store any coin or token in exchange for the long term.
All this time, what has always been a target by hackers is a place for cryptocurrency exchange. Starting from Japan until South Korea was the target of theft, which was worth millions of US dollars. But it is not impossible that hackers are eyeing purses containing crytocurrency if the owner is off guard ... The question is, if theft continues to occur it is not impossible for confidence in cryptocurrency to decline.