Exactly. I agree with your thoughts. It's hard for new people to realize it's a scam. Giveaway is one of the most popular scams. Besides, there are some ways of fraud through currency exchange and it seems that they do not receive anything because they are irreversible transactions, and when we realize it is too late, they do not can get their money back. Besides, I think one of the biggest scams is investing in projects. And it seems that the coins of the fraudulent projects cannot be used or exchanged. It was like garbage. So be careful in the right investments