Bitcoin has the energy consumption of small nations. Banking is one of the many things that can be self contained in the energy budget of a small nation. On the

Bitcoin has the energy consumption of small nations. Banking is one of the many things that can be self contained in the energy budget of a small nation. On the other hand, bitcoin's transaction throughput would constrain my neighborhood's commerce at lunch. That is to say, traditional banks are doing a whole lot more to facilitate actual commerce. It would seem to me that the efficiency gap is insurmountably large.