Not a store of value

Not a currency

Not a hedge against money printer

What is it?

I just want to understand current understanding aside from lowest effort " ponzi / scam " but truly i am at loss to understand and explain what function does bitcoin solve or is solving , because

Its also carbon negative , toxic because coal mines are now running some mining operations and that sounds positively awful and very much seems like bitcoin is digital cigarette blowing fumes to plebs while letting easy cheap energy sources become stronghold for even more authoritarian rules ( Russia , Kazakhstan etc )

So what do you think is the point of bitcoin aside from speculative bubble? It looks like elaborate tulip mania the longer we dont answer them