[paulgb]

Would you support a carbon import tariff for PoW cryptocurrencies mined outside of countries that implement a carbon tax? Because otherwise I can just imagine mining moving to countries without one, as is already happening with regards to other climate-based restrictions.

[Avamander]

They can move, but that undermines confidence of the blockchain because then it's under the influence of fewer governments. Which makes me think that quite a few wont.

[Kbelicius]

Isn't majority of bitcoin mining done in China? If so then we can safely conclude that the people don't care under whose influence it is.

[paulgb]

And even if they do, no miner individually has an incentive to do what’s best for the collective.