If #Bitcoin is big enough, maybe. But the market cap for Bitcoin would need to be $20 trillion + for that to happen. So well over $1 million/Bitcoin. Even then, that won't fix it.
The more likely 'taking' is pension funds (in the U.S.A.) which contain about $35 trillion in assets.
David Web wrote a book on this. Towards the end, there are letters between the EU and NY Fed discussing the issue.
In a nut shell, the legal frame work for confiscation of retirement plans was put in place between the late 90's and finished in 2022/2023.
During a catastrophic event, the Government could take part or all your retirement money to 'save' the system. Read it - it's worth at least knowing the framework has been discussed - for over a DECADE. https://docplayer.net/234739593-The-great-taking-david-rogers-webb.html