It is necessary to check where the site was registered because it depends on it where it pays taxes and under what laws it gives me the most similar problems if you ran into a mosquito in which the site is in a distant place and you got there by reference, it's very difficult to prove who then violated the laws against you your own country,
I advise myself to find out all the information on my own, and then apply for legal fees
In some countries where bitcoin is legalized it may possible buy in my country legal actions cannot be taken against thieve and cheaters, because bitcoin is not legalized and has been banned by the government. It is all about the management and controllers to take actions against scammers. I think it is their responsibility to secure the money of the people.