They're essentially the same thing. Same player pools, same software, just different skins where some are favored more than others depending on the country or person you're talking to. For example at Cardschat, you see people reference ACR much more often than BCP for anything related to something taking place on that platform, perhaps because there is a large number of members residing in America on this site.
Everything is somehow running, I have a problem with the accounts for which I can get a ban, well, for the second day now no one has answered me to solve this problem, and then your problems will say bans.