Ключевые слова: abstract, arm, background, bitcoin, blockchain, book, business, businessman, career, coding, coin, conference, consulting, crypto, cryptography, currency, decentralization, desk, development, digital, document, double, economy, engine, european, exposure, feedback, financial, future, hands, ico, information, initial, keyboard, laptop, man, money, multi, network, screen, sketch, solution, stats, tech, technology, transaction, typing, using, virtual, web,