Given that China sees how weak the current US administration is, Taiwanese should beware and should have escape plans in place: assets offshore in the US, EU, Switzerland etc and some large percentage in bitcoin. The people of Hong Kong had an opportunity to do so, and probably still have a slight window, but right now Taiwan is in a place where the people should be concerned about the communists at their door.
I don't think bitcoin would be fit for Afghanistan especially given their current state. Bitcoin is volatile. It requires knowledge about how it works for someone to fully utilize it. In addition, the processing time is longer and transaction fees are higher compared to the usual digital banking. Although I get that bitcoin is really useful if you will really think about it because of its decentralized nature, meaning even Taliban group won't be able to regulate it as much as they would want to; but we must also take into consideration that Afghanistan is a country that is far from being developed. Their citizens would definitely have a hard time most especially if they will just be introduced to bitcoin by now.
I don't think most of their people have resources as well as of now that their country is in chaos. In addition, the establishments that are accepting bitcoin are still limited particularly to the developed countries, hence, using bitcoin would be futile because the adoption in their country doesn't happen yet.