More and more companies start offering digital payment systems. Smartphones evolve to a digital wallet such that it seems like we are about to enter the era of digital finance. In fact we are already inside an digital economy. The market of e-x (x = "finance", "money", "book", you name it . . ....

As the sole issuer of bank notes, the Bank of Canada conducts methods-of-payment (MOP) surveys to obtain a detailed and representative snapshot of Canadian payment choices, with a focus on cash usage. Overall, cash usage at the point of sale has decreased since 2009, constituting 44 per cent of...