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