I think it might be possible. But not as fast as you think. It still takes a lot of time to be like that or become a national treasure. And I hope bitcoin will be like that.
I think countries like Switzerland and Singapore will be able to boast a significant increase in the country's annual budget only at the expense of cryptocurrency.
If they are in a state account, and even in large numbers, then of course Yes! And when they are spread in anonymous accounts around the world, that is true while it is considered an expensive asset.