I think there will still be banks. banks intermediate lending and borrowing. I don't think people will not want to borrow money just because they use bitcoin
banks are also at the core of our corrupt states. our states are in a dysfunctional and abusive relationship with banking cartels. like organised crime won't disappear I don't think banks will disappear
I think or hope centralised power generation will be gone. I like to imagine the future will be energy abundant with free/low cost power and I think the innovations that will unleash will be wild