In recent cryptocurrency news, OpenAI CEO Sam Altman's project, Worldcoin, has launched its ecosystem token aimed at addressing income inequality and online identity authentication. Meanwhile, Twitter has undergone a significant rebranding under Elon Musk's leadership, transforming into "X" with a vision to become a "super app" for financial services. In Russia, President Putin has signed a law introducing the digital ruble, marking a significant step in the country's exploration of central bank digital currencies (CBDCs). South Korean private banks are also exploring the potential of tokenized deposit technology as an alternative to both private stablecoins and CBDCs. Lastly, US Republican Representative Warren Davidson has called for a ban and criminalization of CBDCs, expressing concerns over potential coercion and control.