Read the Press-release: Pixel Pie
The site is created so that people can express in symbolic form what is bothering them now, and see what is bothering others. Images will be constantly updated thanks to activity, which will allow you to see at any given moment where people's views are directed.
The obvious problem with such an idea is the rendering of pixels using a script, which would allow one user to recreate the entire field. To combat this, it was necessary to introduce a set of points by solving tasks on users' computers, to earn points that can then be spent on changing the color of pixels - a kind of Proof of Work, as in cryptocurrencies.