We have a profitability sheet here: https://moken.io/projects/profitability-estimates. It doesn’t include the cost of the Ashlar NFT yet, and some of the devices have earnings that are grouped together, so not perfect estimates, but a good idea based on real earnings tracked from the DePIN Tracker.
hands down it would have to be the lithium and kobalt mines. did you know that the crazy hurricane that hit north carolina recently, and wiped away entire towns, was/is
prime real estate for a lithium mine?