playing the video is supposed to be useful to the user, whereas the proof of work is one of the issues that has given cryptocurrencies a poor rep, and for good reason. why are we even considering that, and, of all reasons, to implement DRM on web sites?!? (yes, it is DRM, an attempt to keep some users from doing things they otherwise could, through technological means)

there has to be a better way to tell welcome users from unwanted ones than miseducating users into blindly running programs that web sites push onto their computers, and fighting wasted computing power with wasted computing power by making the overhead permanent and pushing it onto everyone