This photo taken on June 27, 2017 shows a man walking past a banner advertising the Alipay mobile payment service at a market in Beijing. China was the first country in the world to use paper money but centuries later the soaring popularity of mobile payment has some analysts forecasting it could be the first to stop. / AFP PHOTO / WANG ZHAO / TO GO WITH China economy internet, FOCUS by Allison JACKSON (Photo credit should read WANG ZHAO/AFP/Getty Images)