The emergence of Bitcoin as a real threat to the Central Bank, has caused a lot of controversy around the world. There are Pro with Bitcoin, like the Bank of Finland, and some against Bitcoin, like Jamie Dimon from Wall Street Bank. The Central Bank is a big player that still survives in the global economy to date, even some of them want Blockchain technology to ride the next horse. That is, many Central Banks want to issue their own currencies with different characteristics from the original purpose of the Blockchain. They want to create crypto currencies that they can manage and control.