And once that block size changes, the energy used per transaction will go down. It's really very simple, stop making it complicated. Blocks are there to hold tr

And once that block size changes, the energy used per transaction will go down. It's really very simple, stop making it complicated. Blocks are there to hold transactions - that's their whole purpose. The fact that technically you can mine an empty block is an irrelevant detail of the protocol: bitcoin would not keep getting mined if there were no more transactions.