I guess you don't read the news, where Utilities are refusing or charging higher rates to ASIC miners.
I guess you don't understand those miners already have to apply for permits to draw the amount of electricity.
I guess you don't understand that China is literally kicking ASICS Miners out of their country.
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Conclusion:
Either bitcoin dies or the Government Mandates the so-called equilibrium which bitcoin insane energy usage will force to happen.
There are no other futures for it, one of the 3 listed and that is it as long as they use energy wasting PoW, they have no other possible futures.
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There will be more small-home ASIC miner, someone somewhere in his basement will continue to mine bitcoin.
China is kicking ASIC Miners then they will operate somewhere in their secret basements
LOL,
No , they won't , not for long.
Small operations lost the ability to make a profit mining bitcoin years ago.
The electricity draw alone will alert the authorities to any bitcoin PoW miner. See FYI below.
All PoW operations grow too large to hide, only proof of stake coins could hide and never be found, but for PoW hiding is impossible once their price rises high enough.
It is one of the failures of PoW design, get large or get out.
The Fact that special permits are required to draw that much power also escapes you.
Allocation of those permits is what the Governments will use to enslave the miners to their dominance.
So the Governments can denied those permits and cause bitcoin to die from unprofitably
or allow those permits and control the miners (telling them to not include transactions from unapproved sources).
Sorry it is Checkmate against bitcoin either way.
FYI:
https://cointelegraph.com/news/chinese-police-arrest-bitcoin-miner-who-stole-150-mw-of-electricity
https://www.computerworld.com/article/2469854/internet/bitcoin-miners-busted--police-confuse-bitcoin-power-usage-for-pot-farm.html
https://www.ccn.com/russian-police-build-case-against-cryptocurrency-mining-farm-organizers/
https://motherboard.vice.com/en_us/article/mbk7wy/how-much-energy-growing-weed-vs-mining-bitcoin