Ключевые слова: background, bank, banking, bit, bitcoin, bitcoins, blockchain, business, cash, coin, commerce, concept, conceptual, cryptocurrency, cryptography, currency, digital, display, dollar, economy, electronic, exchange, finance, financial, gold, golden, index, internet, market, mining, money, monitor, network, payment, prices, rat, rotation, screen, spinning, stock, symbol, tablet, trade, virtual, wallet, web, white,