The beauty of NXT/ARDR platform is in simplicity and strong reliability on mother chain; with a good security model of NXT and Forging capacity in ARDOR mother chain all child chains will be in secure position allowing all child chain trade simply and exchange easily under ARDOR and after IGNIS implementation as a first child under ARDOR exactly same NXT Platform will be replicated under secure ARDOR platform. They are a future of the DIGITAL currency if their idea won't be twisted and replicated by Geniuses like Vitalik Butring and other smart Crypto founder.