Well for me this is not a "not good situation", if those cryptocurrency exchanges can't improve their system securities then it is right to just shutdown their service, why would people use a service that have a lot of flaws with their platforms. I agree that exchanges should be regulated, it is for us, the customers, and users good and this is also to prevent those excuses that they've been hacked but the truth is it is just an inside job and will not issue a refund to those customers lol. If other exchanges in japan wants to join this two exchanges then let them, only exchanges that have great securities will survive, we don't need those shady exchanges. btw this is a good move by japan.