I must be missing something.
What's the point of an altcoin if it could be blocked by government anyway - I mean, you seemed to be saying earlier that the US government could pull the plug on the internet backbone if things got desperate enough for them?
I said it is much more likely they would just filter protocol of crypto-currency.
In the logic of escalation as needed, the threat of blackout I think would first be used to induce a country to comply.
See the distinction is the threat is something the national government can address by complying. Whereas, with the improvements I suggested, the government could not comply because the pools are anonymous.
If the powers-that-be blacked out a country that had tried to comply but couldn't possibly comply since technologically impossible, that would backfire.
Chinese government filtering out youtube and google, facebook etc... but you can get around those limitations by simply using a VPN. And I think VPN will be a more common setup for average house hold in future to improve the security