Before we fall or become victim of scammers we need to understand that cryptocurrency is risk investment that is more reason you need to invest what you can afford to lose.Scammers are intelligent thieves,sometimes you find it difficult to trace their actives.
Its true that every investment have a risk but we should minimizing that risk by doing some research. Its hard to know the identity of scammers because in many country ICOs not regulated. If ICOs regulated, i am believe scammers can be punish by law