Ключевые слова: aerial, bank, bill, business, buy, cafe, card, cashier, cashless, checkout, close, consumerism, contactless, counter, credit, customer, debit, economy, electronic, exchange, finance, financial, item, merchant, mobile, modern, nfc, owner, pay, payment, people, plastic, purchase, qr, reader, retail, scan, selling, service, settlement, shop, shopping, smart, technology, terminal, transaction, two, up, using, wireless,