Yes, they are both coexisting and there can't be just decentralized or centralized.

That's why it is needed for most of us to know the importance of having both of it. In the past, if it's about hacking incidents, both of these platforms have been targeted by hackers.

And that means that there's no safe one on this one because hackers are targeting those areas that has money but it is that many of decentralized platforms or exchanges have a weaker security.