Surely there is a bunch of crypto related projects that target streaming such as Stream, Refereum, Flux etc. But if you scrutinize their whitepapers (or in case of Stream - public info on the site since they have not yet release a WP), you will find out that Play2Live solves much more issues rather than those described by these projects. Stream aims to cut off middlemen in streaming just as Refereum does. Flux does not target streaming in the first place. While P2L is for sure a comprehensive solution for the market and we definitely sure we will be able to attract a solid user base.  Briefly, I can say that all these projects offer another method of monetization for the streamers. The one that cuts middlemen and ultimately increases the cash flow of the streamers. While P2L offers not only a new monetization scheme (btw, not only for the streamers), but a completely new approach to interaction. I would advise you to delve deep in our WP or check out Medium