There is civil war. And cables will always be delicious target for any party. No bank transfers for the fleeing elite or being able to deal with external affairs, total blackout for the defender (military and police have their own systems usually so the ruling party is not that affected) The situation in Syria is dangerous. A failed state in that location ... Arab Peninsula in the 2013 is the Balkans in 1913 ...
And this is what bitcoiners and similar don't understand. It's not like your internet connection will remain happy and stable while the rest of the world goes to hell around us. Telecomms will be a first-class target, and most systems have some pretty central points of failure that would make juicy (and easy) targets. In such a situation, if you've chosen to use an electronic cryptocurrency dependent on things like r…
Actually the chief effect of the continual hashing is robustness against netsplits. By defining the longer-hashed chain as prevailing, global reconciliation is actually possible. All protocol-following parties agree - double spends on the smaller side lose out.