The fame of bitcoin driven the bankers and regulators to raise their eyebrows. They have been negative about it as they say it will trigger money laundering. When it comes also to investing according to Central banks in other countries it has high risks. So bitcoin has really an effect on the current economy system; Banks were disturbed of the strong in of bitcoin in the cryptocurrency market, there's been lots of speculations like high cost of investing in the stock market compared to bitcoin purchase transactions, and another is the birth of cryptocurrency market which is decentralized.