Ключевые слова: banking, bills, black, buy, card, cashless, cellphone, checkout, communication, concept, consumer, contactless, counter, credit, debit, design, digital, electronic, field, filled, finance, flat, glyph, graphic, icon, illustration, isolated, machine, mobile, money, near, nfc, pay, paying, payment, phone, retail, safety, sign, silhouette, smart, solid, symbol, technology, terminal, transaction, web,