That's the official website of Blocknet's DEX. A project founded in 2014. I'm NOT the owner

It's hard not to see you're working for them because your recent posts say otherwise. However, I'm not surprised if you're just a hardcore fan of that project.
Either way, the 'decentralized exchange' is still debatable. You might want to define it first, and then create a comparison table to shows why you think Block DX is better and the rest aren't.