Codes and technology and hackers are an all-too-common part of our world in 2018, but one famous code has proven to be unbreakable – even for the CIA and the NSA. The Kryptos sculpture created by Jim Sanborn has remained an unsolved mystery since it was installed in 1990 at the CIA headquarters in Langley, Virginia.   Code-breakers from the CIA, NSA and even some freelancers not employed by our government in jobs relating to…