Ключевые слова: background, bank, banking, bit, bitcoin, blockchain, blue, btc, business, cash, circle, coin, commerce, community, concept, crypto, cryptocurrency, cryptography, currency, decentralized, digital, ebusiness, economy, electronic, euro, european, exchange, finance, financial, flag, international, internet, market, metal, miner, monetary, money, net, pay, payment, render, shining, sign, symbol, union, unity, virtual, volatile, web,