I guess it depends on how organized the governments are. 
I guess its not a race for nuclearization, it would be a race for bitcoin mining. 

If others are holding it then they will also likely be mining it, if only to defend against a 51% attack. 

Undisciplined

Someone is always left holding the bag.
If the USA uses it as a reserve currency, wouldnt others, too?
Do you understand where this is going?
Trust isnt lost instantaneously.

bitcoin

Should the US Government Acquire a Bitcoin Reserve? • Listen on Fountain

Someone is always left holding the bag. 
If the USA uses it as a reserve currency, wouldnt others, too?
Do you understand where this is going?
Trust isnt lost instantaneously. 