In theory, there is nothing an autocratic government can't do to you.

But leaders pay a political price for instituting draconian enforcement measures, while their country pays an economic price, which makes them less likely. It's one thing to send armed agents to storm the homes of executives of a large private bank to shake down the bank. It's another to do it against end-users at a scale where it becomes effective.

You may be right about the most secure form of property. Many don't have access to jurisdictions that can offer people in their income class that kind of security of property. For them, I think in some situations cryptocurrency can be a very secure form of property comparatively speaking. Cryptocurrency can be thought of as a poor man's offshore bank account, literally speaking.