Ключевые слова: background, bank, banking, bit, bitcoin, blockchain, blue, coin, commerce, computer, computing, concept, conceptual, crypto, cryptocurrency, currency, data, digital, ebusiness, ecommerce, economy, electronic, exchange, finance, financial, future, global, icon, illustration, internet, market, money, net, network, online, pay, payment, programming, security, sign, symbol, system, technology, technology business, trade, transaction, virtual, wireframe,