Robert F. Kennedy Jr, who recently filed papers to run as a Democrat in the 2024 presidential election, has expressed concerns about the launch of central bank digital currencies, or CBDCs. What Happened: In a tweet on Monday, Kennedy Jr. said that the claim that FedNow is not the first step toward a CBDC would be more easily digestible if we “were not aware of the Biden administration’s steady barrage of hostile broadsides against cryptocurrencies.