You are purchasing a DEF CON 29 badge for the Las Vegas in-person conference August 5-8, 2021. The cost is $300.
Your badge must be picked up on site.
- Your badge also comes with a code that unlocks the "Human Plus" role on the DEF CON Discord Server. The DEF CON Discord is host to the online portion of DEF CON 29 and various other DEF CON Online Events during the rest of the year.
You will need to show proof of vaccination to collect your badge.
- You will be required to wear a mask while on the conference floor.
In the event that the in-person aspect of DEF CON 29 must be cancelled, it is important that you provide a valid shipping address. This will allow us to expeditiously get your badge out to you.
If we are required to cancel the in-person conference, your purchase price will be adjusted to $85 + shipping cost to your location.
For example, $300 - ($85 + $10)
If you initiate a full or partial refund, for any reason, the processing fee of $8.40 will be subtracted from your refund.
You can book a room in the discounted DEF CON room block through this link:
To keep up to date on the lineup of speakers and events, or to look for additional ways to participate please bookmark the DEF CON 29 planning section of the DEF CON Forums:
To get familiar with the online portion of DC29, please feel free to visit our Discord server at discord.gg/defcon - Linecon is always open.
For any other questions, visit the FAQ https://defcon.org/html/defcon-29/dc-29-faq.html or drop us a line at
We've had several people mention the QR code is arriving in their SPAM folder. We're working to resolve this issue.
In the event you need to switch your badge to online-only, please email us at email@example.com. Include your name and transaction number. In the subject put "SWITCH BADGE". We’ll refund you the difference for an online-only badge plus shipping.