An then what would be the next step? No more cash payments? MasterCard does seem to be working towards that. It isn't a meritless goal either; a recent study e

An then what would be the next step? No more cash payments? MasterCard does seem to be working towards that. It isn't a meritless goal either; a recent study estimated that cash costs the USA $200B a year, or around 1.5% of GDP: http://www.amren.com/news/2013/10/paying-with-cash-costs-americans-200-billion-a-year/ http://www.amren.com/news/2013/10/paying-with-cash-costs-ame... Obviously currency is worth spending money on, but that doesn't mean it has to be bank notes.