It is well-known that n players, connected only by pairwise secure channels, can achieve unconditional broadcast if and only if the number t of cheaters satisfies t
CITATION STYLE
Fitzi, M., Gisin, N., Maurer, U., & Von Rotz, O. (2002). Unconditional byzantine agreement and multi-party computation secure against dishonest minorities from scratch. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2332, pp. 482–501). Springer Verlag. https://doi.org/10.1007/3-540-46035-7_32
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