Ключевые слова: background, bank, banking, bit, bitcoin, blockchain, btc, business, cash, chart, coin, concept, crypto, cryptocurrency, cryptography, currency, design, diagram, digital, dollar, ebusiness, economy, electronic, exchange, finance, financial, gold, golden, graph, icon, internet, investment, keyboard, market, metal, mining, monetary, money, net, pay, payment, price, sign, stock, symbol, technology, trade, virtual, web,