You are absolutely right. There are countries that have pegged their currency to the US dollar. Like you said, it is not sustainable. The only solution is to do

You are absolutely right. There are countries that have pegged their currency to the US dollar. Like you said, it is not sustainable. The only solution is to do what it is conjectured Tether did and that is just print more and more to hold the peg but obviously that has other issues.