Ключевые слова: background, bank, banking, blockchain, business, cbdc, central, coin, commerce, communication, concept, conceptual, connection, crypto, cryptocurrency, cryptography, currency, cyber, design, digital, dollar, economic, economy, euro, exchange, finance, financial, fintech, future, futuristic, global, ico, internet, investment, market, modern, monetary, money, network, online, payment, security, symbol, system, tech, technology, trade, transaction, virtual, yen,