Ключевые слова: background, bank, banking, bit, block chain, business, capital gain, cash, chart, coin, coins, computer, concept, crypto, crypto currency, cryptography, currency, dark, digital, digitization, dividend yield, doge, dogecoin, electronic, exchange, finance, financial, foundation, gold, golden, growth, internet, investment, market, metal, money, payment, physical, risks, savings, stock, symbol, technology, trade, up, value, virtual, volume, win, yield,