Ключевые слова: alternative, background, bank, banking, blockchain, blue, copy, cryptocurrency, cryptography, currency, decentralized, decline, decrease, digital, economy, electronic, exchange, exposed, fall, finance, financial, future, image, internet, litecoin, logo, market, metal, mining, mirror, money, overrated, pay, payment, possibilities, red, reflected, reflection, risk, security, security problem, sign, size, symbol, tech, technology, trade, trouble, unsafe, virtual,