Ключевые слова: background, bank, banking, business, buy, cafe, card, cashier, checkout, chip, chip pin, communication, contactless, copy, copy space, credit, customer, debit, device, digital, finance, financial, hand, machine, money, nfc, pay, paying, payment, pdq, pos, reader, resturant, retail, shop, smart, store, technology, terminal, transaction, transfer, wireless,