Artist Jim Sanborn has announced plans to reveal a fifth message (K5). Like K4, K5 will be 97 characters long and placed in a public space.
https://www.scientificamerican.com/article/cia-kryptos-puzzle-creator-releases-final-clues/
Artist Jim Sanborn has announced plans to reveal a fifth message (K5). Like K4, K5 will be 97 characters long and placed in a public space.