Can Proof of Work Be Sustainable? The Environmental Reality of Bitcoin Mining

The argument over Bitcoin’s environmental impact often starts with a simple fact: Proof of Work uses a lot of electricity.That part is difficult to dispute. Mining companies run specialised computers continuously, competing to add new blocks to the Bitcoin blockchain. The more computing power they deploy, the more energy they are likely to consume.But electricity use alone does not answer the more interesting question: can Proof of Work be sustainable?The answer depends on what happens beh