Ключевые слова: abstract, background, block, blockchain, blue, business, chain, code, company, complex, concept, connect, connected, connection, crypto, cube, currency, data, digital, ebusiness, element, fin, financial, fund, future, geometric, geometry, graphic, graphics, group, illustration, image, information, innovation, isolated, new, node, nodes, object, perspective, secure, shape, sign, startup, symbol, technology, transaction, transactions, virtual, web,