Ключевые слова: abstract, background, bear market, bitcoin, blockchain, business, circuit board, coin, cold, crash, crypto, cryptocurrency, currency, dark, data, decline, digital, economy, electronic, finance, frozen, future, futuristic, glowing, ice, innovation, investment, light, loss, market, mining, money, network, online, payment, risk, snow, technology, transaction, virtual, volatility, wealth, winter,