Countries of third world are being controlled by powerful economies. They are always at the risk of Financial recession. Many Countries have valuable natural reserves or potential to do progress.
country which has oil, gold minerals and tourist places but do not have enough funds to invest on these project. So to bring some investments a coin may be introduced for development in these fields and sharing profits with all coin holders. just like current system of issuing bonds by governments.
I don't know about that. there are still a lot of people who are very hesitant or somewhat avoiding cryptocurrency. People are scared of it because they don't really comprehend what the capabilities of blockchain technology. How can you expect a government to trust cryptocurrency when people are not yet educated about it.