Ключевые слова: background, bank, banking, bubble, buy, card, chip, communication, concept, connection, contactless, credit, debit, design, device, digital, elements, exchange, flat, graphic, hand, holding, icon, illustration, internet, light, map, mobile, money, nfc, online, pay, payment, payments, pos, screen, sign, smart, smartphone, speech, style, technology, terminal, touch, transfer, using, web, wireless, world,