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

Bitcoin is a natural enemy of the government. In addition to speculators, the faithful are mostly liberals and anarchists.
The recognition of paper money is that national credit is endorsed on paper money. Once the government has the right to print money, it can make money out of thin air. For example, the government owes a lot of money to the people. Simply, print money. What are the consequences of these massive amounts of money being printed on the market? The money is worthless, it's devalued. The most striking feature is the rise in prices.
Bitcoin prevents governments from abusing their power to manipulate money.