I ve worked in digital cash for about 20 years it s clear that digital bearer token money i e Chaumian blinded money could be used to represent arbitrary assets There is a difference between distributed and centralized systems and right now the only really viable distributed model is blockchain based but the distinction shouldn t be cryptocurrency vs non cryptocurrency but blockchain based cryptocurrency vs blinded token cryptocurrency They re both distinct from account based money There are ways in which blinded money is actually more cryptocurrency than blockchain money by eliminating the historical record of linkability inherent in the blockchain or account based systems blinded tokens are inherently fungible which supports negotiability and finality I m not sure what the solution is to this article move it en masse to blockchain currency or merge with bitcoin and then redirect cryptocurrency to digital cash