What Are the Takeaways From the Roll Out of Central Bank Digital Currency?

Digital currencies for sovereign nations, central bank digital currencies. These aren't without precedent; they've been launched by central banks. Not in developed nations, i understand, but in countries like nigeria, the bahamas. There's beendopt of central bankdigital currencies in countries in the eastern caribbean currency union. But would you say that there are any takeaways from the roll out of thesecentral bank digital currencies?