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Re:Ask HN: How to disclose something without disclosing it? by robertk on Sunday July 15, 2018 @04:28PM (#17536898)
Secure multiparty computation. You both put in an input (I need the insurance or I don’t; versus I provide the insurance or I don’t) and you only learn whether the two preferences match.
Re:Ask HN: How to disclose something without disclosing it? by nomdehn_180714 on Sunday July 15, 2018 @07:11PM (#17537617)
Once you know the answer, the legal agreement not to disclose has been broken. It doesn't matter how you get there.