Ключевые слова: anonymous, background, bank, banking, bit, bitcoin, blockchain, btc, business, buy, cash, coin, commerce, computer, concept, conceptual, crypto, cryptocurrency, currency, digital, dollar, ecommerce, economy, electronic, exchange, finance, financial, forex, gold, golden, international, internet, investment, isolated, market, metal, mining, money, network, pay, payment, rate, render, sign, symbol, technology, trade, value, virtual, web,