Ключевые слова: bank, banking, bit, bit coins, bitcoins, bitscoin, business, buy, clean, coin, credit, currency, cyber, digital, digital currency, earn, ecommerce, electronic, electronic business, exchange, finance, gold, international, internet, investment, metal, money, network, object, online, online currency, pay, purchase of goods, radiant, shopping cart, sign, symbol, trade, virtual, virtual money,