Ключевые слова: 3d, 3d rendering, abstract, background, block, blockchain, business, chain, chains, close, concept, connection, cube, cubes, currency, cyber, data, design, digital, element, heavy, illustration, industrial, industry, internet, iron, isolated, link, metal, metallic, network, object, power, protect, protection, safe, seamless, secure, security, shield, shiny, steel, strength, stretched, strong, symbol, technology, texture,