Ключевые слова: background, bank, banking, bit, bitcoin, blockchain, btc, business, cash, chain, change, chart, coin, coins, community, crypto, cryptocurrency, cryptography, currency, decentralized, digital, ebusiness, economy, electronic, encryption, exchange, financial, global, globe, gold, golden, growth, international, internet, invest, market, metal, mining, money, pay, payment, protocol, savings, stock, symbol, technology, trade, value, virtual, web,