In fact, I think China and Russia are aiming to destroy the empire of the US dollar, and China's role is more important than Russia's in expanding the world's economic influence. In fact, they will only want to dominate the currency that they can control.
The geopolitical dynamics surrounding the US dollar and global economic influence are complex and evolving. While it is true that China and Russia have expressed aspirations to reduce the dominance of the US dollar, the ultimate outcome is uncertain and subject to various factors.
China has been working to internationalize its currency, the yuan, and increase its use in global trade and financial transactions.