24 hours still processing, dev it would be nice if you could say something at least, i know sometime problem could come but also replay is good for people ! Hope we will get an answer soon. At same time till this problem are not solvet i would really say carefull to everyone to deposit to mercatox many people are stuck there with transaction!
What do you expect them to say? "BTC withdrawal is having issues right now. We will try to fix it as soon as possible." You should expect that statement every week, I guess.