As I understand CryptoArena is a hybrid exchange that combines all advantages of CEX and DEX and does not have their shotages.
It is very important to realize the idea of the project. I carefully check the project and I see that it have done a lot for the realization of the CryptoArena ideas.
Here you can check what is already realized
https://docs.cryptoarena.org/roadmapThis is a roadmap of the project and you can check all plans of CryptoArena for future.