Ключевые слова: algorithm, background, bitcoin, blockchain, blog, booking, business, cell, coding, coin, conference, corporate, crypto, cryptography, currency, decentralization, devise, digital, double, drawing, education, engine, exchange, exposure, future, human, ico, info, initial, internet, market, marketing, message, money, multi, network, notepad, phone, research, search, smart, tablet, technology, telephone, think, touchscreen, training, transaction, web, woman,