Ключевые слова: art, bank, banking, buy, card, cashless, cellphone, checkout, chip, color, communication, concept, consumer, contactless, counter, debit, design, digital, electronic, field, finance, graphic, icon, illustration, isolated, line, linear, logo, machine, mobile, money, near, nfc, pay, paying, payment, pictogram, purchase, reader, sign, smart, symbol, system, technology, terminal, transaction, untact, web,