The expression goes ‘money makes the world go around’, but today what constitutes money – or rather, its form in society – is somewhat different from what it was for much of the past. Over the past decade, electronic forms of money have accelerated in popularity. Card payments and interbank transfers, such as credit and direct debits, have all become key areas of a central bank’s cash and payment oversight activities. The World Cash Report 2018 estimates that non-cash transactions will grow at