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Optimal Extension Protocols for Byzantine Broadcast and Agreement
Byzantine Broadcast Byzantine Agreement Round complexity
2017/2/20
The problem of Byzantine Broadcast (BB) and Byzantine Agreement (BA) are of interest to both distributed computing and cryptography community. Often, these primitives require prohibitive communication...
All known protocols implementing broadcast from synchronous point-to-point channels tolerating any $t < n$ Byzantine corruptions have communication complexity at least $\Omega(\ell n^2)$. We give cryp...