[_57jb]

Where is this energy towards banking institutions that use even more Tw hours and do even more damage?

Your argument is flawed. Making a bomb has a narrow purpose to do damage. Banking institutions do dramatically more damage. This is a potential alternative removing middlemen from the equation and operating at a fixed rate.

Proof of Work didn't predict the use of ASICs and was intended for common hardware that would make dominating the pool cost prohibitive. Proof if Stake is one alternative although has its own issues.

Yes, greed is what you are angry at. That is absolutely the problem. If you are truly upset about the environmental impact then moving upstream to energy producers should be your target.

Nuclear is astronomically more energy dense and has made significant strides in zero waste plants and safety features. Then again you aren't complaining about the banking institutions impact on climate which outscales crypto and continues to climb.