"A Ponzi scheme is a fraudulent investment operation that pays returns to its investors from their own money or the money paid by subsequent investors, rather than from profit earned by the individual or organization running the operation." - Wikipedia
Assuming you want more money, you should avoid Ponzi schemes because you are more likely to lose money than to gain money.
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Thanks mate. Is it a kind of piramyd schema? Sorry for did not search it on Google, but I am in a really slow Internet now in my mobile (I am far away from civilization right now) I'll give you the 0.05 and if you can say more about this fraudulent schema I glad you. Thansk