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, ether, ethereum silver, 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,