New answers tagged proof-of-work
Thinking out loud, have you checked this work? people.cs.pitt.edu/~mehmud/docs/abliz09tourpuzzle.pdf
I designed Cuckoo Cycle at https://github.com/tromp/cuckoo as the first trivially verifiable, scalable and time-memory-trade-off-hard proof-of-work system. It parallellizes reasonably well up to at least 12 CPU-threads, but is expected to saturate the memory due to random access latencies for some small multiple of that. A GPU has memory with tons of ...
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