nostr:npub1mh5a6mhm4u78glqxhltq7uexv6kddphycthlguvn0ux8ch72tc8q6q233h
>petrodollar system did exist for a few years in the 70s
not just the 70s. until recently most transactions for oil were made in dollars. the dollar's status as the world's reserve currency is on the way out. major countries not using dollars to trade oil is a fairly recent development