It's a big awesome joke, but I guess you're just doing whatever is possible -- blocking those noobs as good as you can. You can't get fraud out of this world, it's just so clear now already because of the 1$ frauds
Weren't you making some credit system? Like they buy credits on their account and can spend it, but the account costs something everytime etc and eventually needs a verification? Or have I dreamt about all that?
Maybe it's not worth all the hassle, are you missing a lot of earnings because of these fraud cases? Just wondering..