Ключевые слова: background, bank, banking, bit, bitcoin, bitcoin network, blockchain, business, buy, cash, coin, commerce, concept, crypto, cryptography, currency, design, digital, doge, dogecoin, ebusiness, ecommerce, economy, electronic, exchange, finance, financial, golden, icon, internet, market, metal, mining, monetary, money, net, network, pay, payment, pool, protocol, sign, symbol, system, technology, trade, virtual, web, worldwide,