How secure is quantum cryptography really?
 

I keep hearing that it is uncrackable, but computer cryptography methods developed in the past (DES, MD5, etc.) that were thought to be uncrackable (or at least uncrackable in a practical length of time) but ended up getting compromised in decades or even less than ten years.

Is it only a short time before some hacker or group of hackers find a way to compromise the purpose of quantum cryptography?

Do you have more top secret important stuffs to hax?http://www.discussworldissues.com/fo...ies/laugh1.gif