Earlier quoted context omitted.
Something is starting to go really wrong in HDD pricing, following GPUs and other things, because I bought that same 8TB drive two years ago for $147. Hard drive prices are supposed to decrease in $ per TB over a multi year period, with advances in areal density.
The "proof of space" Chia cryptocurrency: https://news.ycombinator.com/item?id=27009843
I cannot wait for internet connections to become unusable after a currency introduces "proof of bandwidth".