"There is 100% nothing stopping the Federal government from offering a full-faith-and-credit-backed "America electronic transaction system" for electronic trans

"There is 100% nothing stopping the Federal government from offering a full-faith-and-credit-backed "America electronic transaction system" for electronic transactions, with those fees handled by taxes." And there's technically nothing stopping the US from sending humans to mars either. There are many reasons that it's not done, including the most important one, which is that it's not necessary. Simply producing or supporting a standard, and then maybe having some regulations around it would be 100x easier.