I don't mean to sound rude, dude, but what the others told you is true. Even if you didn't mean to do what you just done (even if you didn't know the rules), You're still responsible for your own actions and for what you've done (even if it wasn't your fault). Because what just happened to you is exactly what happened to me 2 years ago. It's like what Winter Zombie told you. I got blacklisted for trading hacks on smogon without noticing that they were hacked but even though I didn't know that they were hacked after I got ripped off by the hackers who gave them to me, I'm still responsible for trading them on smogon.
So after I've been through so many bad things, I found a way to get myself off of the blacklist. Which is... rng abusing my own pokemon. So if you want to get off of the blacklist, Ask Expert evan for a RNG abuse project test and talk to him about it.
I'm not trying to be mean, I'm just giving a little friendly advice so you would understand.