Nice work, Pieter. You're right that my simulation assumed bandwidth for 'block' messages isn't the bottleneck.

But doesn't Matt's fast relay network (and the work I believe we're both planning on doing in the near future to further optimize block propagation) make both of our simulations irrelevant in the long-run?

Or, even simpler, why couldn't the little miners just run their block-assembling-and-announcing code on the other high-bandwidth-side of the bandwidth bottleneck?

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Gavin Andresen