Ключевые слова: approved, bank, banking, buy, card, cashless, cell phone, check, communication, contactless, credit, credit card, customer, device, digital, electronic, finance, flat, icon, illustration, isolated, machine, mobile phone, money, nfc, pay, payment, pictogram, pos, process, processing, purchase, reader, receipt, sale, service, set, silhouette, smart phone, smartphone, symbol, tap, technology, terminal, transaction, white background, wireless,