...and it all started with...
On the 5th of January a message went out. Many claim the first sighting of the message was 4chan's /b/ board. A picture calling for a challenge, for egos and smarts alike. The result... a puzzle that many are still trying to solve to this very day.
I came in quite late, so i'll just refer to the previous puzzle solvers as "they".
Now the data may not be in that picture, but it was in the original (I verifed, and can verify for others). Many people fiddled around with it. Until someone opened up the picture in a text editor and found a rather odd message in the bottom of the picture in seemingly plain text.
TIBERIVS CLAVDIVS CAESAR says "lxxt>33m2mqkyv2gsq3q=w]O2ntk"
Quite an odd message from the fourth roman emporer TIBERIVS CLAVDIVS CAESAR AVGVSTVS GERMANICVS. Some figured out the hint, the latter message wasn't garbage... it was a message using a caeser shift cipher with ascii.
A caeser shift cipher had been used back in the day since there weren't many other ciphers around. It had a great thing going for it, it was fast and easy to encrypt and decrypt a message. This cipher works by shifting the values of your message, either up or down, by however whatever value you give it. If you used a value of 1 and the english alphabet, then A = B and D = E.
An example of a caeser shift of 4 (up):
Normal Message: PANCAKES
Encrypted Message: TERGEOIW
In order to get the original message, a person would just need the value of 4 and then go down each letter by that much. In the case of this 3301 puzzle, the caeser shift also went up 4 values (which requires decryptors to go down 4 values), but the data it used wasn't strictly from the english alphabet, it was from ascii.
The result of decrypting the message? A link, to another image: http://i.imgur.com/m9sYK.jpg.
I'm going to go through this whole thing rather slow. I want to hopefully get as technical as I can with some of the way the messages were solved, and if I go to fast I'll reach the point I'm at and might risk expulsion from "the puzzle".
For anyone wanting to read the bulk of what happened; Granted these sources will stop at a point, but they don't stop at the ending... they only stop at a point in which keeping info from non-participants was demanded.
http://www.clevcode.org/cicada-3301/ (amazing recount of a lot of the puzzle)
http://wiki.n0v4.com/index.php/3301:Cicada