Iranian oil exports to China hit an all time high of 1.8 million barrels a day in June. All trade bypassed the USD system.
Much of Iran's foreign trade is conducted in Bitcoin to avoid US interference.
China + Iran also jointly operate mining farms in Iran.
As more "authoritarian regimes" opt out of the US system by adopting bitcoin, I think we'll find out that the vast majority of bitcoiners in the West are actually just BINO losers.