The cashless economy: Who are the winners and losers in the worldwide shift to digital payments?

Rob Young hears from a grumpy pensioner in Sweden, a country that has blazed the way in ditching physical currency, as well as a Swedish expert on payment systems, Professor Niklas Arvidsson.

Plus what difference has Narendra Modi's "demonetisation" policy of banning large denomination notes made to India's economy? Monika Halan, consulting editor at Indian financial newspaper Mint, gives her considered opinion. Meanwhile Rahul Tandon explains why Indians still don't know what Bitcoin is, even though they know they like it.

(Picture: Indian farmer with daughter using mobile phone and credit card for online payment; Credit: triloks/Getty Images)