Ключевые слова: 100, background, bank, banking, bitcoin, black, blockchain, business, buy, cart, cash, coin, commerce, computer, concept, crash, crypto, cryptocurrency, currency, decentralized, digital, dollar, earth, economy, electronic, eth, ether, ethereum, etherium, exchange, finance, financial, globe, gold, growth, internet, litecoin, market, mine, mining, monetary, money, pay, payment, sale, token, trade, virtual, world,