Waves isn't decentralized. Or do you not deposit your coins somewhere else, before you can trade them... ?
There is only one working decentralized exchange, which leaves all your coins on your own device in order to give you the full control over your assets. You don't have to store or transfer them to somewhere else with:
Blocknet
That's why the price of BLOCK is moving steadily up. Because more and more people understand, what the
real meaning of a decentralized exchange is: No one but you should have a hand over your coins.