The cryptocurrency regulation has only made it extremely difficult for citizens to purchase or trade digital coins. According to their statement, crypto token sales involve financial crimes like the Ponzi scheme, illegal fundraising, illegal issuance of securities and illegal distribution of financial tokens. Electricity cost is the most important factor for a profitable mining operation. Investing in cryptocurrencies and other Initial Coin Offerings «ICOs» is highly risky and speculative, and this article is not a recommendation by Investopedia or the writer to invest in cryptocurrencies or other ICOs. Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing.