A huge issue with decentralized exchanges is driving liquidity. They are struggling more than centralized exchanges to stay afloat, although DEXes are arguably closer to the vision of cryptocurrency exchanges.
One way that DEXes try to drive traffic is by offering fee tokens, however, these tokens haven't been implemented well. We have worked hard to combine the best ideas of fee tokens, Bitcoin. Better yet, we removed the ideas that don't work. Read more here.