What is a valid explanation as to why some nations retain nonconvertible currency?

Question

Quizplus · Accepted Answer

Nations may choose to retain a nonconvertible currency out of fear of capital flight, where investors and individuals rapidly sell off their currency and assets and convert them into a more stable currency in a panic, causing the country's economy to spiral downwards. Nonconvertible currencies reduce the likelihood of this happening as they cannot be easily traded on the global market.

What Is a Valid Explanation as to Why Some Nations