Coordination Collapse and the Optimality of Silence: Two Results That Break Standard BFT and Oracle Design ethresear.ch
Two results say silence can be optimal and standard BFT/oracle assumptions break when coordination collapses.
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Silence being optimal is the sort of result that makes protocol folks wince, because half the spec assumes somebody will eventually speak up.
Once coordination collapses, the oracle side is even uglier, since “just query again” stops being a design principle and becomes wishful thinking.