Ключевые слова: app, application, banking, bill, business, buy, cashier, cellphone, cellular, commerce, contactless, convenience, device, digital, ecommerce, efficiency, electronic, emoney, finance, financial, gateway, graphic, hand, illustration, info, method, methods, mobile, modern, money, nfc, pay, paying, payment, phone, retail, scanning, shop, smart, smartphone, system, tech, technology, transaction, transfer, wallet,