Ключевые слова: banking, bitcoin, blockchain, brand name mobile payment, business, buy, cash, coin, communication, concept, connection, contactless payment, credit, cryptocurrency, currency, cyberspace, datum, digital, finance, finance and economy, innovation, internet, investment, mobile payment, mobile phone, money, nfc, no people, online, pay, paying, payment, phone, service, shopping, symbol, technology, transaction, transfer, wireless technology,