Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The lanyard carried unusual character strings and is identified by official forum and writeup sources as one of the challenge surfaces included with the badge.
Badge context
Independent writeup source documenting the lanyard, cassette tape, liner-front, liner-back, character-color puzzle, and challenge timing.
Archived DEF CON Safe Mode page source for the in-person cancellation, August 6-9 online event context, optional Human Plus support model, and official cassette-badge announcement.
InfoconDB source for DEF CON 28 virtual location, August 6-9, 2020 dates, free general admission, and official conference links.
Contemporary Hackaday source documenting the physical cassette, jewel case, lanyard, liner notes, tones, number-station-like audio, and collaboration project.
DEF CON forum source proving badge purchase/support context, LosT creator attribution, challenge surfaces, and media.defcon.org cassette-content availability.
Source trail
Challenge writeup source for lanyard, cassette, liner-front, liner-back, color-character puzzle observations, and puzzle-start timing.
Official forum source for badge creator LosT attribution, cassette/lanyard/liner challenge scope, and media-server availability for cassette contents and liner notes.
Event archive source for Safe Mode cancellation/online-event context, Human Plus support framing, and the official announcement that the badge was a LosT-created cassette tape.
Contemporary source for the physical cassette badge, jewel case packaging, lanyard characters, liner-note clues, audio tones, number-station-like opening, and Hackaday.io collaboration context.
Event metadata source for virtual location, August 6-9, 2020 dates, free general admission, and official DEF CON 28 links.