I'm not sure what anybody is supposed to get out of your post other than that you claim to know PHP and cURL better than an interesting person did 2 years ago. Why would anyone care?
If you can't work curl you are not the guy to be running an illegal website trying to hide from professionals that most certainly do know how to use curl and every other tool properly. If you can't figure out an environment variable, should you really be building something to handle BTC transactions? No you should not. But he learned that the hard way.
