Cyphertext, the FBI cannot crack.
Check it out: http://www.fbi.gov/news/stories/2011/march/cryptanalysis_032911
Honestly, I don't really think they can't crack it and they probably already did. But they say it's one of the biggest mysteries in cryptography and no-one was been able to decode it. Really? C'mon...
Here's my entry. Not sure if I'm right, but it looks like the ramblings of a maniac on prescription meds using simple word substitution:
Then I got really, really, really bored. XD
Edited 3 time(s). Last edit at 04/09/2011 06:45PM by Skyphire.