Ключевые слова: bank, banking, business, buy, buyer, card, cash, cashier, cashless, communication, computer, consumer, consumerism, contact less, credit, credit card, customer, debit card, device, digital, electronic, finance, financial, hand, internet, machine, mobile, money, nfc, online, pay, paying, payment, phone, plastic, pos, purchase, reader, restaurant, rfid, sell, shop, smart, smartphone, swipe, technology, transaction, transfer, wallet, wireless,