Ключевые слова: abstract, app, bitcoin, block, blockchain, business, chain, coin, computer, concept, connection, contract, crypto, cryptocurrency, currency, cyberspace, dark, decentralized, defi, design, digital, distributed, ethereum, exchange, finance, financial, fintech, future, futuristic, graphic, header, illustration, information, innovation, internet, modern, money, network, new, online, program, protocol, security, sensation, smart, technology, text, wallpaper, web,