Ключевые слова: algorithm, background, bitcoin, blockchain, blog, blogging, business, card, coding, coin, computer, conference, credit, crypto, cryptography, currency, customer, decentralization, digital, double, drawing, ecommerce, engine, exposure, flow, future, human, ico, interactive, international, internet, laptop, money, multi, network, offering, payment, phone, professional, shop, sketch, technology, training, transaction, using, volume, web, woman, work, world,