Will the 4th passage of KRYPTOS be solved by 2028?
7
29
110
2028
39%
chance

Jim Sanborn's cipher/sculpture has been sitting unsolved outside CIA headquarters for 30 years. Can it be solved in the next 5?

Solving the 4th passage requires Sanborn to confirm the correct passage. Resolves no if Sanborn dies as his will contains the answer to the cipher.

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