What will replace the US dollar?

With the rise of cryptocurrencies and decentralized finance, many have wondered what could potentially replace the long-standing dominance of the US dollar in the global economy. Could it be a digital currency backed by a major nation, or a decentralized cryptocurrency like Bitcoin? Or perhaps a new form of money that we haven't even imagined yet? The question remains, what will emerge as the new global reserve currency, and what factors will drive its adoption and acceptance?