If you ignore the costs of the trust issues between participants (as well as a lot of physical infrastructure apart of trust chains) and how that plays out through the entire system, and a lot harder to trace CO2 values on (esp those that people will all agree on).
Here's one persons take on this with Banks vs BTC wrt CO2[0] with their numbers from last year that I'm sure plenty of people will disagree with in one form or another (usually without numbers of their own).
If you ignore the costs of the trust issues between participants (as well as a lot of physical infrastructure apart of trust chains) and how that plays out through the entire system, and a lot harder to trace CO2 values on (esp those that people will all agree on).
Here's one persons take on this with Banks vs BTC wrt CO2[0] with their numbers from last year that I'm sure plenty of people will disagree with in one form or another (usually without numbers of their own).
[0] https://medium.com/@mukeat/carbon-footprint-differences-btc-...