Why does it even have to solve a problem? They are attempting to solve a problem, but that doesn't mean they will. The bitcoin payment processors are black balling the marijuana industry just like banks. Potcoin wants to solve this issue, the investors know this in advanced. It may happen. I like to use  potcoin as my tipping coin of choice. Its way more fun to smoke someone out with some POT than too toss some doge for btc someone's way.