In a geopolitical context undergoing a major reshuffle, two significant initiatives are shaking the hegemony of the dollar. Brazil and China are making a strategic shift by favoring their national currencies for bilateral exchanges. For their part, Russia and Iran are announcing the launch of a new common currency to circumvent Western sanctions. These distinct yet converging movements illustrate a shared desire among influential BRICS members: to build a financial system that is less dependent on the greenback and to assert monetary sovereignty in the face of external pressures.