I encountered this type of project again, and it gives me a headache. There are indeed many tricks in this model, and participants need to be more cautious. Airdrops, Mining, and these various gimmicks often have the same few underlying logics, relying on the funds of early participants to support the subsequent operations. If you want to make quick money, you have to bear the risks; this is a principle that everyone understands, but it is easy to be blinded by profits.