Where is KuCoin illegal?

Could you elaborate on the regions or jurisdictions where KuCoin, a leading cryptocurrency exchange, is deemed illegal? Are there specific countries or regions where its services are prohibited due to regulatory constraints, legal frameworks, or other factors? Understanding the legality of KuCoin's operations in various parts of the world is crucial for investors and traders to make informed decisions. Your insights would be invaluable in navigating the complex legal landscape surrounding cryptocurrency exchanges.