Ключевые слова: alphabet, background, bank, banknotes, black, business, buy, cash, cashless, caucasian, chip, concept, credit, currency, deal, deposit, digital, economy, electronic, finance, financial, flat, icon, internet, investment, magnetic, mobile, money, online, option, pay, payment, payments, phone, pos, promote, purchase, reader, sale, selling, smart, society, supermarket, technology, terminal, trade, transaction, white, word,