Ключевые слова: account, app, bank, banking, business, business finance and industry, buy, buying, cashless payments, commercial activity, concept, connection, contactless payment, credit card, currency, digital, dollar, dollar sign, ecommerce, economy, electronic banking, exchanging, finance, finance and economy, income, internet, mobile app, mobile phone, nfc, online shopping, paying, receive, receiving, receiving money, send, sending money, shopping, smart phone, smartphone, technology, telephone receiver, transfer, transfer image, us currency, us dollar, usd, using computer, wages, wallet, wireless technology,