My “grand vision”/”if I were King for day” scheme is to set up an electronic commodity exchange for electronic transfers of ownership for tangible goods. Be it gold, silver, barrels of oil, tons of cotton, whatever...
Base the electronic currency on that and use the block-chain to encrypt and protect the transactions.
Or... You can literally carry coinage in whatever semi-precious base metal you prefer, or warehouse recipts for the same...
Let the currency market fluctuate with supply and demand.
Seems a bit complicated at first, but is WAY better than vaporware BTC or fiat currency based on the hope that your Nation continues to produce wealth and can pay off debt.
I think you are on the right track.
At the end of the day everything is about counter-party risk.
Do you trust people who owe you money to be both solvent and honest enough to pay you what they owe you?
Right now we live in a very low trust society—with good reason imho.
That is a problem that no currency can fix.