Ключевые слова: abstract, background, bank, banking, binary, bitcoin, business, cash, chain, cloud, code, commerce, communication, concept, connect, connection, cryptocurrency, cryptographic, cup, currency, data, digital, display, economy, electronic, exchange, fin, fin tech, finance, financial, future, graph, information, investment, ledger, market, mesh, modern, monetary, money, payment, phone, screen, security, sharing, technology, text, transfer, world,