An EMP blast would still be somewhat of a localized event. But there are those that say a certain type of solar flare could wipe out everything. I doubt that's true, but ya never know. Things would get pretty interesting if it did though.
We can all rest easy. There is no possibility of anyone losing so much as a penny of their money deposited in FDIC insured US banks regardless of whether your particular bank is solvent or not. (Up to the limit of FDIC insurance of course, and we saw how that limit was miraculously increased during the Great Recession.) Now whether your money is safe from inflation is another kettle of fish.
Stocktrax nomination for the "#archive" file. Include the quoted post too. That one was good too. Usually if you see a "~vz" at the end of a post.... well, ya'll figure it out. Hey! Lets go Krogering. All time high today I think. (Kroger, not btc)