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The Cipher Challenges for Kryptos3: 2013:

Click on (sol) for a solution.

A summary of the 2013 results is available.

The Cipher Challenges for Kryptos2: 2012:

Click on (sol) for a solution.

A summary of the 2012 results is available.

The Cipher Challenges for Kryptos1: 2011:

Click on (sol) for a solution.

A summary of the 2011 results is available.