That's a good question, but isn't it something all coins will have to deal with eventually? The way other coins "solve" it is basically moving the problem forward, but at some point, all coins will be mined. Are you suspecting that all coins will be mined to early and people will lose interest? Because right now, NOBL seems to have a pretty strong community already, and I don't think this will become a large issue. I'm really new to the crypto currency scene though, and I don't know a whole lot, but those are my 2 Nobles