Look at this post from the 1xbit announcement thread so you can see how its link to 1xbit.
Ah, this is something bad.
but this is good information for us to be more careful in choosing a casino, or even just trying to get a bonus from a casino with tempting promos.
OP, sorry for your loss. but maybe you won't get your withdrawal. If you are a forum member, I suggest you play at a casino that is reputable on the forum. losing money due to defeat is not a problem. but when you win and can't withdraw it, it's really annoying.