They dont need a gold standard- they are accumulating gold however because they are abandoning the USD. China has won the trade war - all nations must trade with China or suffer considerable loss. China already has its CBDC (DCEP) which is specifically designed to enable international trade payments free and independent of the USD SWIFT system. It already operates within China and in trade with Russia, Iran and North Korea and adoption by more and more BRICS nations is all but inevitable.