Is there any posible way to filter who are going to make an ICO to be able to know if there are scam or not? And is there any bodies of law that would be able to punish them once they turn into scam. And what punishment should be given upon committing such the crime?
In this field, law is nothing. Law is under by a government so when the government ban crypto there's no law. In crypto we have only rules and regulations and its up to you if you follow that or not so if you don't want to be scam just be careful to choose ico projects.