This will be my last reply to you because I already explained this very basic idea, so you are either an antagonist, trolling, or need to do some self-learning. I would recommend reading what I said again.
An alien can come to Earth and use its UFO compute to mine bitcoin if it wanted.
Someone in their garage could come up with a vastly superior way to compute hashes and mine bitcoin.
Large mining farms could be banned and made illegal and smaller operations can instantly become profitable again.
This will be my last reply to you because I already explained this very basic idea, so you are either an antagonist, trolling, or need to do some self-learning. I would recommend reading what I said again.
An alien can come to Earth and use its UFO compute to mine bitcoin if it wanted.
Someone in their garage could come up with a vastly superior way to compute hashes and mine bitcoin.
Large mining farms could be banned and made illegal and smaller operations can instantly become profitable again.
The list goes on, and on, and on, and on…
Not if it wants to win a block reward in any reasonable length of time.
First of all it would have to set up manufacturing to produce 7nm asic chips generating the SHA-256 algorithm.
This just means your hypothetical Tony Stark gets richer. It doesn’t help the aliens you invented earlier.
You still need human interaction to buy the necessary mining equipment.
Face it. Your idealistic objections to PoS apply equally (if not more so) to Bitcoin.