That is why Bitcoin is anti-mainstream, many of the innovations it provides can overcome various problems in the current financial system. multi-functional can be used as an investment tool, trading commodity, and alternative payment, although its adoption is still limited. With all these benefits, users can get security, confidentiality, and transaction transparency. Very effective, even though there are some obstacles that are afraid of many people such as high volatility. Doesn't everything have a risk? as long as we are able to adapt, we can certainly minimize the risk.