On a Bitcoin standard, instead of sponsoring the US, wouldn't El Salvador just sponsor early/current Bitcoin holders instead?
Replacing one currency not under the government's control with another doesn't seem to achieve all that much, and arguably, picking a deflationary currency at that might be much worse.
Replacing one currency not under the government's control with another doesn't seem to achieve all that much, and arguably, picking a deflationary currency at that might be much worse.