What is your toughts with Bitcoin,
Can government stop bitcoin?
It can if the people allow it to happen.
If you don't yet know how it works I'll give you an example. A government goes against BTC and decides to blacklist all Internet sites that have something to do with it, ban exchanges, don't allow financial institutions to support cryptocurrency businesses. So there are no ATMs, you need to use VPN to access bitcointalk or download a wallet, can't start a company, can't exchange local fiat to crypto online. The only things you can do is trade for cash, use foreign currency for bank transfers and use foreign exchanges via VPN. So, it wouldn't be that bad, you could still use it trade it, but not in your country. But what if all your neighboring countries did the same, like the whole EU? You'd have to get a Japanese or Korean bank account and trade that currency for BTC... Most people would find it to be too much trouble and BTC would die.
Thankfully people can protest.