On Wed, Sep 14, 2011 at 3:45 PM, Gavin Andresen <gavinandre...@gmail.com> wrote: > Modify the getwork code to build on the second-from-tip block if the > first-on-tip block is on the discouraged list. > > Assuming a majority of pools/miners adopt the "discourage blocks with > stale timestamps" rule, that should squash any incentive for cartels > to try to start playing with difficulty-- you would have to have 50+% > power to start, or you risk producing mostly orphan blocks. Of course, if only a small percentage of mining power adopts this scheme, everyone that does so will presumably be harming themselves by doing so since they're essentially increasing the odds that the next block they mine will become invalid...
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