Ключевые слова: background, bank, big data, bitcoin, black, block, blockchain, blue, box, business, chain, communication, computer, concept, connection, crypto, cube, currency, cyber, cyberspace, data, database, decentralization, decentralized, digital, economy, exchange, finance, fintech, future, futuristic, global, internet, investment, money, network, node, pay, payment, privacy, protection, security, software, structure, technology, token, trade, transaction, transfer, transparency,