It has been said (here: https://hackernoon.com/why-everyone-missed-the-most-mind-blowing-feature-of-cryptocurrency-860c3f25f1fb) that the distribution of cryptocurrencies should be tied to a game. No, not solving captcha's to get some RAIBlocks but exiting all encompassing games luring 'normal people' to cryptocurrencies. This could immediately be tied to a real (first) purpose for cryptocurrencies: in game payments.

One thing leads to another and before you know it, the entire world pays with cryptocurrencies.