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Sounds like yaos millionaire problem

• motohagiography 4y ago
  Very closely related, thank you! https://en.wikipedia.org/wiki/Yao%27s_Millionaires%27_problem https://en.wikipedia.org/wiki/Yao%27s_Millionaires%27_proble...
  • oh_sigh 4y ago
    My pleasure - I think officially your problem would be the Socialist millionaires problem, but that is mostly only known as a derived form of yao's millionaires problem, which has a much stronger cachet. https://en.wikipedia.org/wiki/Socialist_millionaire_problem https://en.wikipedia.org/wiki/Socialist_millionaire_problem