DEF CON 31 Pre-registration is Open!https://shop.defcon.org/products/def-con-31-pre-registration-ticket
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. Tickets are available now at shop.defcon.org , BYOP(izza).
