Ключевые слова: background, balance, bank, banking, bit, bitcoin, btc, business, cash, circle, closeup, coin, commerce, concept, crypto, cryptocurrency, cryptography, currency, decentralized, digital, ebusiness, economy, electronic, exchange, financial, gold, international, internet, isolated, market, metal, mining, money, object, pay, payment, physical, protocol, render, shining, shopping, silver, symbol, trade, value, virtual, white,