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Clarify liveness
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@paulhauner
paulhauner committed Jan 18, 2022
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Expand Up @@ -293,7 +293,9 @@ Thankfully, if 2/3rds of validators are not poisoned, they can justify an
honest chain which will un-poison all other nodes.

Notably, this attack only exists for optimistic nodes. Nodes which fully verify
the transition block will reject a block with a junk parent hash.
the transition block will reject a block with a junk parent hash. Therefore,
liveness is unaffected if a vast majority of nodes have fully synced execution
and consensus clients before and during the transition.

Given all of this, we can say two things:

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