Yes, certainly some countries need to modernize their banking infrastructure. But you can do that without a blockchain for a tiny fraction of the energy cost,

Yes, certainly some countries need to modernize their banking infrastructure. But you can do that without a blockchain for a tiny fraction of the energy cost, transaction time, and transaction fee (if there's a fee at all). Example: twint.ch Instant transfer, no fees, ubiquous (you can pay you train ticket/parking/groceries etc... with it as well as transfer money to anyone). No blockchain.