Not sure if this can answer your Q, but I'm new to crypto like you, and I decided yesterday to investigate and write about national e-currencies, a fast-growing trend. There are already a couple countries that have created national cryptos, but it looks like many countries are planning to run cryptos alongside their existing paper currency, at least at first (for example, Sweden is considering that). Here is a link to my article that might explain a few things:
https://steemit.com/cryptocurrency/@teacherdave/news-and-opinions-on-national-cryptocurrencies