The largest or smallest amount is invested in middle class and richer people in bitcoin. In countries where it is banned, the people of the country will be greatly affected. So the country's approval is necessary. If bitcoin is needed, it is not necessary, but people who depend on it.
Bitcoin is future digital currency. So it any where to use. Bitcoin is avoid the scam. It help to people growth and country growth. It need for the bitcoin information check the market place and coin disk. It reach the all country people. So it help to all country business. So people easy to get the more job and more information.