Ключевые слова: bank, banking, business, buy, card, cellphone, checkout, commerce, commercial, communication, concept, consumerism, contactless, credit, customer, debit, device, digital, electronic, field, finance, financial, flat, hand, illustration, mobile, money, near, nfc, pay, paying, payment, people, phone, purchase, retail, service, shop, smart, smartphone, store, technology, terminal, transaction, transfer, wallet, wireless,