[lowkey]

How stable are those national currencies to inflation over time though?

Notably, the British Pound Sterling is named such because 1 British pound originally represented a pound of Sterling Silver. Today it takes over 400 British pounds to buy 1 pound of sterling silver.

Twenty US Dollars were worth 1 oz of gold until 1933. Today it is nearly 2000 USD per oz.

I challenge your statement that it is easy for a government to manage a currency over the long term. In fact it seems impossible for politicians and central bankers to resist the temptation to inflate their currencies to infinity.

Why haven’t the US, Canadian, UK or Brazilian banks provided services to the 70% of El Salvadorans today? What are were they waiting for all this time? I believe it simply wasn’t profitable enough for them.