DEF CON 2

Badgelife history article · VICE/Motherboard history placing the first DEF CON electronic badge at DEF CON 14 in 2006, supporting DEF CON 2's conservative non-electronic classification. DEF CON 2 event metadata event page · InfoconDB source for the July 22-24, 1994 DEF CON 2 dates, Sahara Hotel and Casino venue, official page link, admission price, and program/archive references. DEF CON 2 announcement official announcement · Official announcement source for July 22-24, 1994 dates, Sahara Hotel location, room context, and program schedule. DEF CON 2 official archive page official event page · Official DEF CON II archive page preserving Las Vegas event context, announcement, speaker/audio/article links, picture-archive links, and post-event recap trail. DEF CON 2 picture archive official media archive · Official media-server directory for DEF CON 2 pictures, including the unsorted photo set and contact sheet. DEF CON 2 unsorted photo set official media archive · Official media-server photo-set listing used to verify visible printed DEF CON 2 chest credentials. DEF CON 2 official picture page official picture page · Official 1997 picture index for DEF CON II, used to corroborate the recovered media-server picture archive and event-photo context. DEF CON 2 program official program · Official scanned program PDF preserved in the DEF CON media archive for event-program context; no badge electronics claim is derived from it. DEF CON 2 chest-credential photo evidence rights-limited archive photo · Official archive JPEG showing a speaker with a rectangular magenta-and-white chest credential; used only as artifact evidence and not republished because the embedded copyright metadata and media-server context do not satisfy the site's image policy. DEF CON 2 corroborating credential photo rights-limited archive photo · Official archive JPEG showing another speaker with a similar rectangular chest credential; used only to corroborate the artifact classification and not republished.

DEF CON Communications: DEF CON 2 Announcement Retrieved 2026-05-15 · Official announcement source for the 1994 dates, Sahara Hotel venue, and event schedule context. DEF CON Communications: DEF CON 2 Program Retrieved 2026-05-15 · Official scanned program PDF preserved in the DEF CON media archive; used for event-program context rather than badge hardware claims. DEF CON Communications: DEF CON II Archives Retrieved 2026-05-15 · Official archive page for DEF CON 2, used for event context and the announcement, picture, program, audio, and article archive trail. DEF CON Communications: Picture Archive for DEF CON II Retrieved 2026-05-15 · Official picture index preserving DEF CON 2 photo captions and archive context. DEF CON Media Server: DEF CON 2 KM-1.JPG Retrieved 2026-05-15 · Official archive image evidence for a visible magenta-and-white rectangular DEF CON 2 chest credential; used for artifact description only, not as a local published image. DEF CON Media Server: DEF CON 2 KM-2.JPG Retrieved 2026-05-15 · Official archive image evidence for another visible rectangular DEF CON 2 chest credential; used for artifact corroboration only, not as a local published image. DEF CON Media Server: DEF CON 2 Pictures - Unsorted Retrieved 2026-05-15 · Official photo-set listing preserving DEF CON 2 event images, including visible printed chest credentials. DEF CON Media Server: DEF CON 2 pictures Retrieved 2026-05-15 · Official media-server directory for the DEF CON 2 picture archive. InfoconDB: DEF CON 2 (1994) Retrieved 2026-05-15 · Event-context source for DEF CON 2 dates, official-page and program links, admission price, and Sahara Hotel and Casino venue metadata. VICE / Motherboard: A History of Badgelife, Def Con's Unlikely Obsession with Artistic Circuit Boards Retrieved 2026-05-15 · Secondary context source stating that DEF CON 14 in 2006 was the first electronic DEF CON badge, supporting the non-electronic classification of DEF CON 2.