We have had industrial scale waste heat for more than a century. List waste heat is not dense and loses its heat fairly quickly to ambient conditions. Consolidating it and transferring it directly to an application is often cost prohibitive. Bitcoin didn't invent thermodynamics AND it isn't going to solve every problem we have. nostr:note1ex06l7n43k5x00l3gjz0m2dcau3757fqcesxgwcqs5vjtmud3vnsz8rhet