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This blog is my modest contribution to progress towards solving the code of the famous KRYPTOS sculpture, designed by Jim Sanborn and Ed Scheidt.

Its objective is not to propose a complete or definitive solution to the K4 code, but simply to share some thoughts and encourage debate to continue the search for the solution.

It simply suggests exploring a possible ciphering method, which:

• Can explain the clues revealed by the creators of the KRYTPOS sculpture (words “EAST NORTHEAST” and “BERLIN CLOCK”).

• Give a possible explanation for the anomaly in the DY A HR sequence present in the upper left corner of the second panel of the sculpture. 

• Propose a solution for the beginning of the K4 code and some possible results for decrypting the rest of the message.

The proposed method is quite simple, based on the successive application of two Vigenère codes. 

The key used for the first one (1st layer of coding) would be a sentence taken from American literature. The second one (2nd layer of coding) would use a mathematical sequence of letters as the coding key. 

If this method is the one actually used, the difficulty remains the full discovery of the second key, which refers to geometric sequences of letters and which should likely be hidden in the rest of the sculpture according to a method which remains to be discovered. The DY A HR sequence probably plays a role in the definition of this mathematical stream of letters.