Oct. 13, 2023, 12:54 p.m. |

IACR News www.iacr.org

ePrint Report: On the Round Complexity of Asynchronous Crusader Agreement

Ittai Abraham, Naama Ben-David, Gilad Stern, Sravya Yandamuri


We present new lower and upper bounds on the number of communication rounds required for asynchronous Crusader Agreement (CA) and Binding Crusader Agreement (BCA), two primitives that are used for solving binary consensus. We show results for the information theoretic and authenticated settings. In doing so, we present a generic model for proving round complexity lower bounds in the asynchronous setting.


In …

asynchronous ben binary communication complexity eprint report report stern

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