The other thing NVidia could do is keep all their GPUs for themselves and mine crypto.
Who says they are not already doing that in some capacity?
Nvidia is already a money printing machine, and their margins are growing. I doubt it’s worth the time investment and risk exposure to the crypto markets for Nvidia. Better off using that time a money inventing better money printers.
If there were only a single consumer, a monopsony, they would have a large degree of influence on the price.
Building a public consensus on what prices are reasonable and what prices are "too high" allows for exerting similar pressures on the price, as if there were an organization which represented a large portion of the consumers and which would make a single decision for all of that portion (like, a purchasing union thing).
I hadn't realized this.