Ключевые слова: bank, banknotes, bill, bitcoin, blockchain, business, card, cash, coin, commerce, credit, cryptocurrency, cryptography, currency, digital, ebusiness, ecommerce, economy, electronic, exchange, finance, financial, golden, internet, investment, leather, market, money, pay, payment, pink gold, plastic, protocol, rich, saving, silver, space, stock, symbol, table, trade, value, virtual, wallet, wealth, web, wood, wooden,