A pyramid scheme is an unsustainable business model that involves promising participants payment or services, primarily for enrolling other people into the scheme, rather than supplying any real investment or sale of products or services to the public It seems that the Chinese police are bearing the brunt. Ingenuous way to get rich quick. The lure for quick money and greed is insatiable. Even in such a highly regulated and monitored country as China, there is no respite. And in China, it sure is more difficult because of the sudden economic progress of the people coalesced with the genetic urge for making a quick buck.