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Mining Pool Game Theory During Forks

I have recently been looking at mining pool behavior during forks. Which block does a pool choose to mine on during a fork? Do they behave rationally and mine on their own block? In this post, I’ll detail the mining pool game theory during forks and give some recent examples of pool behavior.

To analyze pool behavior, I’ve been recording the stratum jobs during forks. Note that there are possibly multiple public or even private stratum endpoints that could publish different jobs. Probably, calling preciousblock along with the submitblock RPC when submitting a newly found block to their nodes would do the trick.

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