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Title:
Nearly Quadratic Asynchronous Distributed Key Generation
Authors: Ittai Abraham, Renas Bacho, Julian Loss, Gilad Stern
Abstract:We prove that for any 1\le k\le \log n, given a VRF setup and assuming secure erasures, there exists a protocol for Asynchronous Distributed Key Generation (ADKG) that is resilient to a strongly adaptive adversary that can corrupt up to f3 parties. With all but negligible probability, all nonfaulty parties terminate in an expected O(k) rounds and send a total expected \tilde{O}(n^{2+1k}) messages.
ePrint: https://eprint.iacr.org/2025/006
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