Shifting oil sales from the Petrodollar to gold would drastically alter global financial dynamics. Nations would accumulate gold instead of US dollars, possibly devaluing the dollar and boosting gold demand and price volatility. This could challenge US economic hegemony and introduce global economic uncertainty. There might be a push towards a new gold-based trade standard, affecting trade balances, monetary policies, and potentially leading to more stable but expensive oil prices. International trade agreements would likely need renegotiation to adapt to these changes.