Actually when a PoW ban is passed, it will ban all crypto using PoW not just BTC.
Right now BTC & LTC are the main one, doge has a roadmap to evolve to PoS.
So really only 2 coins out of the top 20 on cmk will be banned.

Want to keep PoW, find a way to lower it's energy waste.
New PoW algo that blocks ASICS, or regulate how much energy PoW miners can use, or only mine 4 hours out the day.
Any of these allows the wasteful PoW to continue, or just do nothing and wait for the Ban to end PoW and the coins that want to hold onto it. 
Or
Continue in the Delusion that proof of waste is not going to destroy a power grid, and pray nothing happens because the governments are just being mean to btc. 

Mining bitcoin or coins using POW is to make a profit, that is to create benefits and contribute to the development of society, so I do not consider it a waste of energy. The bitcoin mining industry is like other industries, they consume energy, but they all create value for human use, so they cannot be called wasteful. Bitcoin is not profitable for you, but it has benefited many people and helped many people have better lives, and when people's lives are better, it will improve society.

I don't know what world you're talking about, but the world I live in still doesn't have too many countries banning POW, because they know the real benefits of using bitcoin.

What's the reasoning behind 60%? And what power does that grant, other than financial?

When the government intervenes with regulating prices, it does it to either protect the consumer or the producer, and it does it to the former for products that have inelastic demand. Bitcoin doesn't have that, it's quite oppositely seen as a luxury product by most. As for producers, I'm quite sure governments aren't going to ever pay part of miners' expenses-- nor should they.

Also, bitcoins are everywhere and nowhere. Good luck on catching violators.

leg-end
i understand your PoS adoration is the principle of "free money" where you want speculated value without any real cost upfront

we get it you dont care about security you just care about your personal greed

however PoW does provide security and the cost of that security then backs the coins value.

i know you want to have bitcoin cost at a penny per btc while speculating at $15k+ where you dream of your get rich quick scheme.. yes thats why you now promote a "new bitcoin pow thats anti-asic"

by now suggesting a new lower cost bitcoin PoW algo.. you are again not recognising the value of Pow. and also by changing algo just delays the competition where people just run multiple "rigs" to compete. causing the cost/value to rise again.. solving nothing over all
in short your dream of "the good old days of GPU mining coins for pennies" would last... 3 months before it changes to high competition high cost..

going to GPU just reduces the hash per kwh.. for a couple difficulty cycles(fortnights-months)
eventually people will just have multiple GPU where instead of 2m asics at 3KWH
people end up using 20m GPU at 300w each = yep easy math 2m 3kwh.. but with less hashrate meaning less security.. thus again not solving anything

asics solve things they make the hash per kwh more efficient.
yes if we lived in a GPU only crypto era.. you would be the one asking for ASICS to be invented to bring the cost per hash down(if you cared about security and environment)

..
we all know all you really care about is your malice and "missing the boat" that you cant mine a coin for pennies. and also be in the market for thousands

we know you want to "mine like its 2010" while "market like its 2021" and thats all you care about

bitcoin is greener then some pretend

majority of asic mining is done in large asic farms on very good electric contracts with power companies locking in xxGW deals per quarter

these contracts are majority with renewables
however some "anal"(half assed analyst) claims the numbers are lower by fudging their data set with "guestimates" "assumptions"

bitcoin is more efficient on watts per thash then some pretend

the agenda is simple. say its bad, use very bad math, made up guesses and assumptions, create a regulation or campaign pretending it will help change the results.. then reveal the real numbers later and pretend you changed things with a lame "look mom, look what i did"

https://ccaf.io/cbeci/index/methodology
amounts : words mentioned
40 : estimate
27 : assumption
15 : average
 8  : best-guess
 4  : assumptions
 3  : hypothetical
 3  : theoretical
 1  : approximates

---

just looking at energy usage using better math
the 2 main asics of bitcoin (low efficiency high efficiency)


140 for 2.88kw (21watt per thash) - efficient (low power per thash)
250 for 5.2kw (21watt per thash) - efficient (low power per thash)

95 for 3.25kw (34watt per thash) - inefficient (high power per thash)

so network is lower bound 222exahash recently
so network is lower bound 267exahash recently

lower bound 4566857142watt (low power low hashrate)
upper bound 9134210526watt(high power high hashrate)

result:
lower bound 4.566Gw/h
upper bound 9.134Gw/h

yet they "guestimate" 5-15gw/h

PoS fails in its eventual need to custodianise to syndicate(combine value) the stake to meet the thresholds. making places like coinbase a central point of failure of PoS (as we are seeing with ethereum that is highly staked and custodianised in coinbase

simply put if coinbase held most stake.. users would not like to oppose a coinbase proposed algo change, because opposing it means stake is lost.. users wont want to sacrifice their stake to avoid a bad proposal. thus a bad proposal becomes what people follow to keep their stake in play. and thats another reason why PoS fails

leg-ends real/main qualm against bitcoin PoW is bicoins expense to mine it

he thinks if he can get it to be pennies per coin he can get rich, not realising the bitcoin value:market rate would correct down also. thus just bringing things back down to 2010-12 levels of value speculation
(ethereums value has rescinded by 20X and its speculated price is being artifically held up via bitcoin arbitrage, and has yet to have its correction.. but will)

however also changing to a new PoW (GPU) is not going to cause rapid correction to 2011 levels of value/price and then a lengthy 4 year growth correction and then go back to 2014 levels and another 9 years to get to 2023 levels

a PoW change back to GPU would simply cause a 6 month value crash and then new asics come back into play getting value back to todays levels within 18 months

so whats the point of both.. they both wont make leg-end be able to become an player/hash competitor to make thousands out of pennies for very long. ..

his qualms are not actually about environment. thats just his silly motives to hide his true desires

Interestingly enough a couple of years ago the Chinese government released a list containing a handful of cryptocurrencies which they referred to as "trusted" and basically good cryptocurrencies. In that list you couldn't see bitcoin but you saw ethereum on top of the list!