There are only two types of people who make money in the crypto world: one is the market makers, and the other is the so-called KOLs (Key Opinion Leaders), who are essentially scammers. Market makers can still be considered something because they are dealing with real money, while the so-called KOLs are just scammers. Besides charging you membership fees, they profit from you. Their tactics usually involve boasting about how great they are or screenshotting the earnings of those with Ant Group accounts. When you encounter such people, just block them directly. The most typical examples are those who are active in group gatherings, such as crypto grandpas, crypto big shots, Brother Shrimp, God Nan, and Index Explosion. Just block these scammers when you see them.