They mean to rival the many set up exchanges that are right now ruling the crypto scene, their methodology remains solitary and could henceforth catch a huge portion of the market. They are giving the majority a exchange, yet rather an entire environment sponsored by an in-house blockchain.
A definitive objective is to make the ideal compromise as far as security versus versatility versus decentralization, while keeping the client experience as basic as could reasonably be expected. It stays not yet clear how effective they can be.
Overall, I don't see any benefit from trading on NEXT-exchange at the moment, but looking at their Twitter, it is clear that the team is working hard to make the exchange work perfectly and has some strong partnerships recently.