Ключевые слова: above, aerial, anonymous, bank, banking, bit, bitcoin, blockchain, btc, business, buy, cash, coin, commerce, crisis, crypto, cryptocurrency, cryptography, currency, digital, drop, economy, electronic, exchange, expensive, falling, finance, financial, from, gold, golden, hacking, high, international, internet, investment, market, monetary, money, net, network, pay, pile, price, rising, symbol, technology, trade, virtual,