Ключевые слова: abstract, account, alternative, analysis, banking, block, business, cartoon, chain, coin, computer, concept, currency, cyberspace, deposit, digital, dollar, economy, electronic, exchange, finance, fintech, flat, foreign, fund, global, illustration, innovation, international, investment, market, mini, mobile, modern, money, online, payment, person, security, service, smartphone, startup, success, symbol, technology, trade, transaction, transfer, web,