Most manual financial work in banks is not on mere transactions. It's on higher level structures such as doing due diligence on lending. A small fraction of the

Most manual financial work in banks is not on mere transactions. It's on higher level structures such as doing due diligence on lending. A small fraction of the employees are actively keeping the basic transaction mechanisms going. Rest assured that fraction that is working on those is, per transaction, a mere fart in the proverbial hurricane that is crypto energy use per transaction.