There's a slam dunk argument for hyperinflation right here
http://fofoa.blogspot.co.uk/2012/05/inflation-or-hyperinflation.html
This is a blogger by the name of FOFOA and he is well worth a read.

This house of cards is probably going to pop within the next 5 years, if that and physical gold is going to be the asset to own.

I consider Bitcoin a speculative play right now but if a hyperinflation hits, people will be looking for anywhere to get rid of their fast devaluing Dollars and its pretty easy to buy bitcoin so I can see there being a good chunk of demand and selling drying up in that scenario.