Ключевые слова: abstract, analysis, app, background, banking, bitcoin, business, cell, chart, communication, computer, concept, currency, data, device, diagram, digital, display, economic, economy, exchange, finance, financial, forex, global, graph, growth, information, internet, investment, investor, laptop, line, management, market, mobile, modern, money, office, online, phone, price, profit, screen, smart, smartphone, stock, technology, trade, using,