> Why is the thing I consider moral not attractive to the market
Because markets are notoriously unable to price in externalities on their own.
I realize there is a temptation here to throw up your hands and say "well, all human activity emits carbon", especially if you are long bitcoin, but it's a false equivalency. Bitcoin is an energy consumption monster by design, and its difficulty adjustment mechanism neutralizes any attempt at making mining more efficient.
Also its limited market cap and halving schedule will probably eventually phase out the energy consumption. Provided people are not willing to pay hundreds or thousands of (current day) dollars for transactions.
Edit: And if they are willing to pay that much that should be a clear sign of the value provided by the network
Edit2: And wether this will also phase out Bitcoins security model will be very interesting to observe across the next 10-20 years (depending on when btc will hit its market cap threshold in real terms)
Because Bitcoin are fungible and cost the same to transfer across the world as across the room, mining would just move to the countries without a carbon tax.
I do think a carbon tax is a good idea, because in industries like transportation and energy it’s not as easy to just move production elsewhere, but it’s not really a solution here.
Because markets are notoriously unable to price in externalities on their own.
I realize there is a temptation here to throw up your hands and say "well, all human activity emits carbon", especially if you are long bitcoin, but it's a false equivalency. Bitcoin is an energy consumption monster by design, and its difficulty adjustment mechanism neutralizes any attempt at making mining more efficient.