Issue dossier
The official program says the number of badge designs was intentionally not released and was much larger than the standard role set, but this pass does not reconstruct every physical variant.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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variant inventory gap · official program source · needs deeper artifact inventory
The record preserves the existence of hidden variants without overclaiming a complete catalog of DEF CON 19 badge shapes.
- Badge
- DEF CON 19 Badge
- Category
- variant inventory gap
- Severity
- note
- Confidence
- official program source
- Status
- needs deeper artifact inventory
- Timeframe
- current DEF CON 19 pass
- Source note
- DEF CON 19 program badge section.
event page
Official DEF CON source for August 4-7, 2011 Rio Hotel and Casino event framing.
Badge: DEF CON 19 Badge
event page
InfoconDB source for DEF CON 19 dates and Rio Hotel & Casino, Las Vegas venue metadata.
Badge: DEF CON 19 Badge
licensed talk video
TIB AV-Portal recording with CC BY 3.0 license metadata, DEF CON publisher metadata, creators Jeff Moss and LosTboY, and talk-slide frames showing actual DEF CON 19 titanium badge variants.
Badge: DEF CON 19 Badge
official forum note
DEF CON forum repost where LosT states the badge was not electronic and explains the security-token, curiosity, participation, and interaction goals.
Badge: DEF CON 19 Badge
program
Official program source for non-electronic badge rationale, titanium material, waterjet fabrication, kiln oxidation, role variants, clue surfaces, and Ryan 1o57 Clarke credit.
Badge: DEF CON 19 Badge
talk record
InfoconDB source naming the DEF CON 19 badge-making talk and Ryan Clarke / LosT presenter attribution.
Badge: DEF CON 19 Badge
DEF CON · retrieved 2026-05-15
Official event archive source for DEF CON 19 event framing, dates, and Rio Hotel location.
Badge: DEF CON 19 Badge
DEF CON · retrieved 2026-05-15
Official program source for the non-electronic badge decision, titanium material, waterjet fabrication, kiln oxidation, variant secrecy, puzzle framing, and Ryan 1o57 Clarke authorship.
Badge: DEF CON 19 Badge
DEF CON Forums / LosT · retrieved 2026-05-15
Primary forum source stating that the DEF CON 19 badge was not electronic and explaining badge goals around admission, curiosity, participation, and social interaction.
Badge: DEF CON 19 Badge
InfoconDB · retrieved 2026-05-15
Event-context source for August 4-7, 2011 dates and Rio Hotel & Casino venue metadata.
Badge: DEF CON 19 Badge
InfoconDB · retrieved 2026-05-15
Talk metadata source for Ryan Clarke / LosT badge-making presenter attribution.
Badge: DEF CON 19 Badge
TIB AV-Portal / DEF CON · retrieved 2026-05-15
CC BY 3.0 licensed video source for the badge-making talk; a 00:18:26 frame is used only for image provenance after cropping to the talk-slide badge collage.
Badge: DEF CON 19 Badge