Ключевые слова: bank, banking, benefit, bit, bitcoin, bubble, business, buy, cash, chart, coin, commerce, concept, conceptual, crypto, cryptocurrency, cryptography, currency, diagram, digital, dollar, e commerce, earnings, economy, electronic, exchange, finance, financial, global, gold, golden, internet, investment, many, market, metal, monetary, money, net, network, pay, payment, sign, stock, symbol, technology, trade, virtual, web, yellow,