Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Attendee feedback explicitly called out the lack of an official badge challenge, so the record treats DEF CON 25 as a non-puzzle standard-badge year.
Badge context
InfoconDB source for DEF CON 25 dates, venue, general admission cost, and official event links.
Official DEF CON archive source for July 27-30, 2017 Caesars Palace event context and conference material links.
Contemporary Hackaday report documenting the scale of unofficial DC25 hardware badges, badge-maker meetup, shared badgelife coordination, and unified API context.
DEF CON forum feedback source describing rubber badges, lack of an official badge challenge, badge-line experience, and short-lead-time production context.
Source trail
Official event archive source for DEF CON 25 timing, venue, post-event archive context, and linked conference materials.
Official forum feedback source for rubber/plastic badge descriptions, lack of a badge challenge, and attendee response to the official badge.
Contemporary secondary source for DEF CON 25's unofficial hardware-badge scale, badge-maker coordination, and unified badgelife API context.
Event metadata source for dates, venue, admission context, and official DEF CON 25 links.