Sure but the de facto standard way of dealing with this issue is storing cash in a well-established fiat currency, like US dollar. Although I'm not sure what ar

Sure but the de facto standard way of dealing with this issue is storing cash in a well-established fiat currency, like US dollar. Although I'm not sure what are you implying. I would assume buying US dollars is as easy as buying bitcoins in most cases. And more accepted too. The only problem being having to have either a bank account or physical notes somewhere stored.