DEF CON 18 · United States · 2010

DEF CON 18 Badge

Lithographed aluminum e-paper-style badge

A DEF CON 18 electronic badge built as polished hackable jewelry: lithographed aluminum, a low-power 128x32 Kent Displays cholesteric display, USB connectivity, role variants, and published badge-making materials.

DEF CON United States Aluminum Kent Displays USB Role Badges North America

EventDEF CON 18

SeriesDEF CON

LocationLas Vegas, Nevada

CountryUnited States

Image Provenance

Asset: optimized WebP from Wikimedia Commons photo
Status: licensed original photo
Source: Defcon.jpg
License: Creative Commons Attribution-ShareAlike 4.0 International
Attribution: Samsonswiki, Wikimedia Commons
Notes: Original 670x447 Wikimedia Commons photo downloaded from File:Defcon.jpg and preserved in Public/images/source. The published WebP delivery asset keeps the same dimensions and is otherwise kept as the real CC BY-SA 4.0 badge photo. The Commons description identifies the image as DEF CON 18; this is not generated content or a placeholder. The published badge.gallery delivery file is an optimized WebP generated from the rights-cleared local derivative/source with metadata stripped, WebP quality 82, and a maximum side cap of 1600 pixels when the source is larger; upstream source URL, license, and attribution remain unchanged.

People

Authors & Credits

CC BY-SA 4.0 badge photographer

Samsonswiki

Wikimedia Commons uploader and author of the DEF CON 18 photo used as the rights-cleared badge image.

Source

badge design studio and production-document publisher

Grand Idea Studio

Publisher of DEF CON 18 badge retrospective and production-test materials.

Source

badge designer

Joe Grand / Kingpin

Grand Idea Studio materials and press coverage identify Joe Grand as the DEF CON 18 badge designer.

Source

low-power display supplier

Kent Displays

PCWorld identifies the 128x32 blue-and-white display as built by Kent Displays.

Source

Why It Mattered

It shows DEF CON's badge lineage blending industrial design, hackable hardware, display technology, and social role signaling into an artifact attendees wanted to keep wearing and hacking.

Hardware

Public reports and Grand Idea Studio slides document lithographed aluminum construction, a low-power blue-and-white 128x32 display, USB, badge role variants, and a multi-thousand-unit production process.

Software & Apps

The recovered public material confirms USB-oriented hacking and badge behavior but this pass does not claim detailed firmware internals beyond what the available slides and articles support.

Lore

Press coverage framed the badge as unusually sleek for a hacker conference artifact, while Grand Idea materials document the production and testing burden behind that polished look.

Lifecycle

Add-ons & Upgrades

hardware interface historical

USB hack surface

DEF CON 18 coverage documented USB connectivity as part of the badge's intended hackable interface.

Compatibility: DEF CON 18 Badge

Source

identity display historical

Low-power display role variants

The badge used a persistent low-power 128x32 display and role-colored variants for human, vendor, speaker, contest, goon, press, and uber-style identities.

Compatibility: DEF CON 18 Badge

Source

Operational history

Issues & Camp Impact

firmware detail gap note

Recovered public sources describe hardware, display, USB, role variants, and production context more clearly than original firmware internals.

The record intentionally avoids detailed firmware claims beyond USB-oriented hackability until stronger primary source is recovered.

Confidence: source-backed but incomplete
Status: needs deeper archive recovery
Timeframe: current DEF CON 18 pass
Source note: Grand Idea Studio slides, test procedure, and PCWorld coverage.

image provenance note

The DEF CON 18 image uses Samsonswiki's CC BY-SA 4.0 Wikimedia Commons photograph identified as DEF CON 18.

The entry now has a real rights-cleared documentary photo with source URL, license, attribution, and processing notes instead of a generated, placeholder, or uncleared image.

Confidence: Wikimedia Commons metadata
Status: licensed original replacement applied
Timeframe: current catalogue build
Source note: Wikimedia Commons File:Defcon.jpg and badge.gallery image policy.

Resources

DEF CON 18 Commons photo licensed photo · Wikimedia Commons source for Samsonswiki's CC BY-SA 4.0 original photograph identified as DEF CON 18. DEFCON 18 badge retrospective slides · Grand Idea Studio retrospective source for DEF CON 18 badge design and production context. DEFCON 18 badge test procedure test procedure · Grand Idea Studio production-test procedure source for manufacturing and functional-check context. PCWorld DEF CON 18 badge gallery article · Press source for lithographed aluminum, Kent Displays 128x32 low-power display, USB, role variants, and hackable styling.

Sources

Grand Idea Studio: The DEFCON 18 Badge: Fifth Time's the Charm Retrieved 2026-05-15 · Primary slide source for DEF CON 18 design and production context. Grand Idea Studio: DEFCON 18 Badge Retrieved 2026-05-15 · Production-test source for functional and manufacturing-check context. PCWorld: The Defcon Badge: Sleek, Stylish and Hackable Retrieved 2026-05-15 · Secondary source for lithographed aluminum, Kent Displays 128x32 display, USB, role variants, and Joe Grand design context. Wikimedia Commons: Defcon.jpg Retrieved 2026-05-15 · Image source for the CC BY-SA 4.0 original photo by Samsonswiki, described on Commons as DEF CON 18.