Bitcoin as a decentralized digital currency was invented on the format of decentralization in that it would not be controlled by any authority.

This was feasibly created and gained widely adoption due to the decentralized potential that is to say the decentralization is one main uniqueness that factorize what the Bitcoin community users seem to enjoy at using Bitcoin.

So to keep extreme safe and enjoying this decentralized notation of Bitcoin, it is better to store your coins in the decentralized exchange which is also where you will be in total control of your funds while the centralized exchanges is a platform that upholds your privacy which means you are not in total control of your fund.

And this differences makes the Centralized exchange threats for it community users funds while the decentralized exchange is highily safer in privatizing your funds upon yourself.