While they haven't yet figured out how to make a proof-of-work do useful work, one can make a relatively low-power one that mostly (95%) substitutes memory late

While they haven't yet figured out how to make a proof-of-work do useful work, one can make a relatively low-power one that mostly (95%) substitutes memory latency for computation, as in my https://github.com/tromp/cuckoo https://github.com/tromp/cuckoo