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Add poisoning prevention

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Paul Hauner 2022-01-13 06:52:07 +11:00
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sync/optimistic.md
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@ -179,9 +179,10 @@ block that forks around the head (due to the justification of the malicious
chain).
If an honest chain exists which justifies a higher epoch than the malicious
chain, that chain will take precedence and revive any poisoned store.
Therefore, the poisoning attack is temporary if >= 2/3rds of the network is
honest and non-faulty.
chain, that chain will take precedence and revive any poisoned store. Such a
chain, if imported before the malicious chain, will prevent the store from
being poisoned. Therefore, the poisoning attack is temporary if >= 2/3rds of
the network is honest and non-faulty.
The `SAFE_SLOTS_TO_IMPORT_OPTIMISTICALLY` parameter assumes that the network
will justify a honest chain within some number of slots. With this assumption,