Ключевые слова: adult, adults only, background, bank, banking, bit, bitcoin, blockchain, business, buy, cash, chart, city, coin, communication, concept, crypto, cryptocurrency, currency, datum, digital, ebusiness, economy, electronic, exchange, finance, finance and economy, financial, global, gold, graph, growth, horizontal, internet, investment, market, monetary, money, payment, portable information device, sign, stock market and exchange, stock market data, symbol, technology, trade, trading, virtual, wireless technology,