Venezuela's cryptocurrency: Petro Whitepaper [pdf]
elpetro.gob.ve
elpetro.gob.ve
It's a tempting idea because Venezuela exports a lot of oil, but you may as well try and tie a coin to oxygen and see how you do.
I haven't read Venezuela's crypto offering in detail, but Venezuela's problem, as I see it, is most investors/traders won't trust socialist Venezuela to honor their contracts when push comes to shove.