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Defcon 31

August 10 - August 13

DEF CON will always be a cash-at-the-door conference. We will always honor the LineCon with pizza and beachballs. This is the way.

However, the online option we introduced at DC Safe Mode has proven quite popular. It seems a lot of you appreciate the convenience of pre-registration so we’re keeping it for DEF CON 31. BYOP(izza).

Pre-registration does guarantee you’ll receive a DEF CON 31 Human badge (as opposed to a paper badge, if we run out) when redeeming your ticket in Las Vegas.


August 10
August 13


Caesars Forum
3911 S Koval Ln
Las Vegas, 89109 United States


The Dark Tangent