 The author does predict the end of physical cash, and I think most of us feel it's coming. Cryptocurrencies have become very fashionable, and it's likely that more people will be paying bills via their phones rather than even plastic credit cards. Huge global corporations are getting involved, and with the fast pace of digital innovation, it's changing everything, how we invest, how we insure, and how we manage risk. As a medium of exchange, coins and bills are quickly becoming passe, and along with