Ключевые слова: bank, banking, bit, bitcoin, bitcoin cash, bitcoin mining, blockchain, business, cable, cash, cat 5, circuit board, coin, commerce, computer, computing, concept, conceptual, cryptocurrency, cryptography, currency, cybercurrency, cyberspace, digital, dollar, dollar sign, ecommerce, economy, electronic, encryption, finance, financial, gold, golden, internet, keyboard, keys, laptop, mining, money, payment, pcb, printed circuit board, reflection, virtual, web,