Cashless society soon or later will happen. Information technology including internet user growing very fast and peoples can use internet making transaction more faster and easier. I am believe in next 5 years, people will not using paper money for their transaction anymore except in place without internet connection
I think it's too fast to implement a cashless society in a country that has a very large total population with a very large number of poor people too, China is a big industrial country but they also have many poor people, in 5 years it won't make a big difference , it took few decades to change from cash to digital..