2 Matching Annotations
- May 2024
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arxiv.org arxiv.org
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An escrow cache of unverified out-of-order event provides an opportunity for malicious at-tackers to send forged event that may fill up the cache as a type of denial of service attack. Forthis reason escrow caches are typically FIFO (first-in-first-out) where older events are flushed tomake room for newer events.
This may misfire, when there's a ton of valid events to sync, whose amount is greater than the cache limit.
May happen when adding a new witness, requiring to sync the entire history. (do we need to provide it the entire history though? only the last not-yet-verified events are of interest for the controller to be signed by the witness)
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Event escrow isan optional implementation specific configurable capability of controllers and witnesses imple-mentations
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