Ключевые слова: 3d illustration, alt coin, anonymous, bank, banking, bit, bitcoin, block chain, business, buy, cash, coin, commerce, computer, concept, crypto, crypto currencies, crypto currency, cryptography, crystal, currency, decentralized, digital, economy, electronic, encryption, ethereum, exchange, finance, financial, gold, ico, internet, investment, ledger, market, mining, money, pay, payment, sign, smart, token, virtual, web,