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Õptimal Parallel Broadcast
March 1, 2024, 3:06 a.m. |
IACR News www.iacr.org
ePrint Report: Õptimal Parallel Broadcast
Gilad Asharov, Anirudh Chandramouli
We study broadcast protocols in the information-theoretic model under optimal conditions, where the number of corruptions $t$ is at most one-third of the parties, $n$. While worst-case $\Omega(n)$ round broadcast protocols are known to be impossible to achieve, protocols with an expected constant number of rounds have been demonstrated since the seminal work of Feldman and Micali [STOC'88]. Communication complexity for such protocols has gradually improved over the years, reaching $O(nL)$ …
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