Is proof of waste not a suitable name? It's proof a huge quantity of resources were wasted on deriving some random garbage you can append to a piece of data to obtain a certain number of leading zeroes on a SHA lol. 600kWh per transaction. Horrifying.
I'm sorry, but how is you being "horrified" an objective measure of goodness? You described the process and just said it's horrifying, what do you expect me to respond with?
Also, hey! we meet again!