Is Satoshi Nakamoto's secret identity José Manuel Barroso? It's hard to imagine a way for the government to drive people to Bitcoin any harder (short of officially adopting it).
There is only one asset you need though, and that is the same physical asset that Central banks hold that is not an IOU from another country. It is that asset only that will be able to be revalued and reflate the balance sheet when the currency 'assets' have burned to the ground.
Because currency is made to be inflated. It's universally producible for less than its face value.
Saving cash is ridiculous.