Have a very analytical mind? Give these challenges a go ranging from easy->INTENSE
Lets see if you have what it takes to apply your mind to complete these challenges
Level 1 - Just ones and zeros Rating: Beginner
This is not exactly cryptography,
but will get you started (=
Level 2 - John who??! Rating: Beginner-Intermediate
Where is the crypto?!?!!
Level 3 - No need for key here.. Rating: Intermediate
This encryption can be decrypted in 30 seconds.
How fast can you do it?