Ключевые слова: bank, banking, bills, bitcoin, business, capital, capital investment, chart, coin, coins, concept, course, crisis, crypto, currency, cyberspace, digital, economic crisis, economy, electronically, energy, financial, future, global, gold, increasing course, inflation, market, mining, money, network, percent, prevention, profit, rate of return, retirement provision, stock exchange, technology, trade, virtual, wealth,