Add-on dossier

Non-electronic physical badge format

A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.

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DEF CON 31 Badge source-backed

badge format

The official call for badge designers stated that DC31 would return to a non-electronic physical badge after two consecutive electronic badge years.

Badge
DEF CON 31 Badge
Type
badge format
Status
source-backed
Compatibility
DEF CON 31 Badge
Source
https://defcon.org/html/defcon-31/dc-31-cfbd.html

Badge context

Related Resources

official call

DEF CON 31 call for badge designers

Official source documenting that DC31 was planned as a non-electronic physical badge year, after two MK Factor electronic years, with production planning up to 30,000 badges plus Black Badge variants.

Badge: DEF CON 31 Badge

official news

DEF CON 31 badge news

Official news source documenting the public SAO slot preview, add-on media-server pointer, and thanks to spux as the year's badge designer.

Badge: DEF CON 31 Badge

Source trail

Evidence Sources

DEF CON · retrieved 2026-05-15

DEF CON 31 Badge News!

Official source for the SAO customization slot preview, add-on design-assets pointer, and spux badge-designer credit.

Badge: DEF CON 31 Badge

DEF CON · retrieved 2026-05-15

DEF CON 31 Vendors

Official source connecting Mar Williams to the year's official DEF CON badge and identifying their DEF CON artist role.

Badge: DEF CON 31 Badge

DEF CON Media Server · retrieved 2026-05-15

DEF CON 31 badge media directory

Official source for the add-on PDF, chamber STL, outline AI/EPS, GIF previews, and Blender asset used to describe the badge customization surface.

Badge: DEF CON 31 Badge