is not that bitcoin able to change the state of its users which effects also on the state of the country's economy, why even banned hemzzz 
There are many reasons responsible for the ban of cryptocurrencies. First being, the anonymous nature of cryptocurrencies enables it to be used for illegal purposes like purchase and sale of prohibited weapons or drugs and terrorism and money laundering activities. Bitcoins are self-governed and decentralized. This will make monitoring by government impossible which puts a great threat to the government authorities.