An N block reorg on Bitcoin with more proof-of-work appears out of nowhere with a double spend. How big does N have to be before you choose not to accept the reorg?
rejecting the reorg might not be a long term solution, it depends IMOhttps://twitter.com/hugohanoi/status/1053007608976560129?s=21 …
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One of the things it depends on is how much more hashpower the new heavier chain has. The race continues after the new chain is revealed, and all the miners who were caught unaware will have an incentive to keep mining on the old chain in order to protect their old block rewards.
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