Byzantine Generals' Problem is an agreement problem, where armies surround a city and must decide to attack or retreat, with the presence of traitorous generals.
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general, then we achieve the desired results by having all loyal generals use the same method for combining and using a robust method to do soFor A, we need
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general, otherwise he could send different values to different loyal generals
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general is loyal, then the value he sends must be used by every loyal general as v(i).Turns out the Byzantine Generals Problem is not solvable unless more than 2/3 of the generals are loyal