Ключевые слова: alternative, banking, bitcoin, business, coin, commerce, conceptual, credit, crypto, cyberspace, ecommerce, economical, economics, economy, education, electronic, exchange, finance, financial, global, idea, internet, investment, investor, metaphor, method, mining, monetary, money, net, online, pay, payment, rate, ruler, sale, shopping, stock, system, technology, text, trade, transaction, value, virtual, wealth, wealthy, word, world,