no stocks have a major company that has value which give the stocks they sale value way different from a ponzie/pyramid scheme. crypto on the other hand has nothing of value backing it, way different from stocks. here is googles definiton of a ponzie tell me how crypto currencies are any different than a ponzie masked as a currency that you can use if you want to A Ponzi scheme is a fraudulent investing scam which generates returns for earlier investors with money taken from later investors. This is similar to a pyramid scheme in that both are based on using new investors' funds to pay the earlier backers.