You have 30k in their exchange.
Buy a flight ticket and go and visit their address. What's so hard about it? Make a video, go yourself to the Italian police in that area.
The carabinieri, believe me if you explain well they will help you instantly, just to scare them.
Also the Italian police is very friendly a lot against scams and thieves. For any logistic help in Italy I would be more than happy to help you for free.
Even travelling with you to Italy. I love Italy lived there a lot of times in my life so it would be my pleasure.
Not sure if you will ever recover the money but it's worth trying it
OP do not want to reveals his identity. Why do you think he will goes to their office?

And of couse not, this 30k is not acquired with illegal activity. I guess, OP want to protect his privacy as everyone have to! I protect my privacy too, but it is not hard to find my real name, because im linked to website. I protect my privacy too, i think about my real sensitive data and everyone have to. And of couse I'm protecting Coinfan and I really belive he will get his money, because they belong to him!