EcoCash Is A Ponzi Scheme: RBZ EcoCash Is A Ponzi Scheme: RBZ The Reserve Bank of Zimbabwe (RBZ) has labelled EcoCash a Ponzi Scheme which is accelerating the black market exchange rate and devaluing the Zimbabwe Dollar. The RBZ sensationally claimed that EcoCash has agents who have a massive overdraft on their Ecocash accounts …