It says it downloads songs from your Spotify playlist using youtube. Granted its not dling from spotify, but it is downloading the things you indicate on Spotify.

Proof-of-storage based cryptocurrency. The article says when it became non-profitable, the drives were reset so their smart stats would appear new, and sold them as such.

https://en.m.wikipedia.org/wiki/Chia_Network

Edit:

FWIW, site says you can check the FARM values with smartctl -l farm /dev/sda if you do have a Seagate drive.