In the era of 4G mobile Internet, thanks to intelligent identification technology research and development of bar code scanning technology used in all walks of life. So now rely on a mobile phone to go the world, 2D code to pay now cover all aspects of eating and drinking, and now we are talking about "line" in this regard.
Limited availability of cash will drive people to digital alternatives. The government is restricting the number of notes a consumer can exchange to INR 4,500 (about USD 67). There are also restrictions on ATM withdrawals, and huge queues have already formed outside of post offices and banks. This means people may not be able to retrieve the new cash they need before official businesses stop accepting the old bills, which could force them to turn to other methods of payments they have not previously considered, including mobile wallets and P2P solutions.
What is means “ the non - cash tournament of the city” ? it means more and more people in China will use alipay or wechat when they go out to payment . they only scan the barcode by mobile , then it will finish payment , specially RD4500R series scanner module . it can fast to scan the barcode .it only takes few seconds