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October 10, 2013, 04:19:46 PM |
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Increasing difficulty of shares does increase potential payout. It introduces slightly more variance. Pools want miners to solve difficult shares because it reduces resource consumption (less overhead), but recognize that miners usually don't want to add a high level of variance, so the automatically-assigned share difficulty is a compromise between those two ideas.
Of course, you could achieve the same effect by mining in a smaller pool, where they will (on average) solve less blocks, but where you'd get a larger share of the reward. Going to the variance extreme, you could solo-mine with your blades and pretend they're lottery tickets. On the other extreme (minimum variance), you would be solving minimally-difficult shares in a PPS pool. Assuming you aren't into gambling, variance isn't a good thing.
(or I completely misinterpreted what you were talking about)
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