Or, much more likely, they will stagnate on those technologies and instead will drive the price of electricity up, hurting mankind greatly. Transistor density and energy efficiency are not niche problems that no one cared enough about to throw money on before bitcoin came along, they are some of the hottest areas of research from some of the largest companies in the world, from Apple itself to Amazon, Intel, AMD, Nvidia, Qualcomm, Microsoft, Huawei and many others.