Ключевые слова: abstract, accelerate, achieve, background, bitcoin, blockchain, btc, business, coding, coin, concept, conference, contract, crypto, cryptography, currency, decentralization, design, diary, digital, double, economy, exposure, forecasting, freelance, future, hand, ico, information, innovate, money, net, notebook, notepad, notes, office, pay, pen, purpose, sign, studying, sun, symbol, technology, training, transaction, web, world, writes,