Mysteries Department
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Questions

Research questions are the building block of our platform of scientific inquiry. Key questions are the ones at the heart of a mystery; every other question helps answer one of them.

4questions1answered0with no evidence yet
Kryptos
Kryptos2 key questions · 4 questions · 1 answered
Open the mystery
QuestionWhere it stands
AnsweredK4 is solved; its plaintext has been recovered and confirmed by its author.
Open3 answers, none ahead
Most likelyK4 uses a Gromark-type cipher (a keyed alphabet with a running numeric key generated by chain addition) or a…