bitcoin solves nothing, worse it empower the "wanting to become millionaire overnight" syndrome that plagues our society this world is horrible when you look into the details, working and helping other people is not rewarded at all profiting from other people is what best people can do to have a better time on this planet
Central bank digital currencies (CBDC) basically operate with a centralized database; no "mining", no pseudo-anonymity, most important, no gambling-like course changes. It represents the "offline money" 1:1, only is it managed centralized rather than federalized by many banks.