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by ch4s3 1611 days ago
A Ponzi scheme is a specific type of scam where new investors are lure in with the promise of great returns and portions of their deposits are used by the scammer to pay off early investors who ask to realize some of their returns. The central scammer pockets the difference and eventually runs off with all of the deposits.

Crypto currencies if anything are a bit like distributed pump and dumps, but at that point you're just talking about asset speculation.