Ponzi scheme

noun
1
a plan for making money that involves encouraging people to invest by offering them a high rate of interest and using their money to pay earlier investors. When there are not enough new investors, people who have recently invested lose their money.
طرح پانزی, طرح هرمی, کلاهبرداری پانزی, روش پانزی, برنامه سرمایه‌گذاری هرمی, کلاهبرداری هرمی, حقه پانزی