Ключевые слова: banking, bar, blue, business, buying, cafe, card, cashier, close, commerce, computer, consumerism, contactless, credit, customer, debit, e commerce, electronic, exchange, finance, financial, hands, holding, machine, market, money transfer, monitor, new, nfc, paying, payment, phone, purchase, reader, restaurant, retail, risk, selling, smart, store, tax, technology, transaction, transfer, up, waiter, wireless,