I suspect that the D3 might be 28nm given it's relatively LOW efficiency compared to some of the competition.
I'm 100% certain that Bitmain prefers the CERTAINTY of "cash in hand, can turn it around into another batch of chips to sell MORE miners" as opposed to the longer time of return and MAJOR uncertainly of mining with the machines.
The people that got rich out of the California Gold Rush were mostly SUPPLIERS to the miners - Levi Strauss being the most famed....
Very, very, good point. Crypto could crash tomorrow most of us would be fucked and they'd be relatively fine lol
I have been doing mining since 2012. I am fully paid off for gear and ahead. I did not achieve this status until this year.
I have about 20k in paid off gear
zero debt.
some cash.
some coins.
The big bull run in gpu mining did the trick for me this year.
Naturally I'm hoping for the next huge wave like that, I believe it'll come