Indeed bitcoin uses a lot of electricity for the mining, but the world of cryptocurrencies extends far beyond what bitcoin has to offer. In many ways bitcoin is starting to look a bit archaic compared to some newer offerings.

So why is this a good idea? with things like ethereum tokens you can design your own economy and incentive structures and see if it works. Normally this kind of economic experimentation has only been the area of governments who are naturally conservative about these things so it will be interesting to see what people will come up with.

One of the things Zipper is interested in is economies around ideas and creating incentive structures to make those ideas a reality through spontaneous collaboration rather than winner-takes-all competition.