Official PN26 Electronic Badge
Primary source proving that the artifact was the official PN26 electronic badge and documenting hardware, firmware, tooling, production, caveats, and thanks.
Evidence index
Primary docs, public wikis, repositories, talks, press writeups, and first-hand notes used to support badge pages.
Primary source proving that the artifact was the official PN26 electronic badge and documenting hardware, firmware, tooling, production, caveats, and thanks.
Project-owner source for the public PN27 MK.II planning statement, future date, and expected follow-up direction from the PN26 ESL badge.
Attendee technical source for RP2040/MicroPython evidence, front LEDs, USB connector, exposed pins, battery holder, button, Morse-code markings, USB ACM serial access, Wi-Fi AP, embedded web server, challenge pages, REPL, filesystem, and encrypted flag database behavior.
Public community identity for the team credited on the official badge page and repository.
Primary source for the MOCA 2024 RHC22 badge workshop, best-firmware-hack contest, and bring-your-badge instructions.
Primary firmware and README source for hardware, shipped firmware, toolchain, filesystem upload, and firmware upload instructions.
Source branch for MOCA 2024 badge firmware continuation.
Primary source for CyberThreat's SANS/NCSC context, London 2024 event recap, in-person and online attendance, Secure Impact hackable badges, nine challenge count, and walkthrough links.
Primary technical source for ATmega1284P processor, FTDI serial converter, ISP versus bootloader programming context, avrdude `-D` write guidance, firmware checksum validation, CRC16/XMODEM repair, and all-nine-challenges completion.
Primary technical source for USB serial behavior, Optiboot at 115200 baud, avrdude flash dump command, Ghidra firmware analysis, and buffer-overflow challenge behavior.
Secondary video-list source corroborating a public LCA2016 session titled ESP8266 ESPlant (Wi-Fi garden sensors) design and operation and related Open Hardware Miniconf assembly sessions.
Primary first-hand source proving BadgeBuddy's GrrCON 2024 context, unofficial friend-distribution scope of roughly thirty badges, component list, proximity behavior, backpack companion, and GitHub release trail.
Official event history source for CypherCon 2.0 dates, Discovery World venue, 525 attendees, The Cube badge, TYMKRS attribution, and badge-creator panel context.
Official-history-linked panel source preserving badge-creator discussion at the 2017 event.
Official-history-linked video source preserving the Cube badge explanation.
First-hand source proving the shipped badge package, badge itself, included MiniBadge, custom-MiniBadge coupon, and HC CTF badge context without granting image reuse.
Official source for the August 7, 2025 shipment-delay notice stating that cash-line attendees were getting paper badges while DEF CON awaited the delayed physical badge shipment.
Official contest-results source for 32 entries, Zoz's winning anti-surveillance system, Team Hack the Badge's second-place blimp, 501d3r Guy's third-place dialer/amplifier, and the combined seven-badge honorable mention.
Official event archive source for DEF CON 19 event framing, dates, and Rio Hotel location.
Official program source for the non-electronic badge decision, titanium material, waterjet fabrication, kiln oxidation, variant secrecy, puzzle framing, and Ryan 1o57 Clarke authorship.
Official event source for dates, venue, badge firmware availability, conference DVD badge materials, and badge-contest writeup links.
Official event archive source for DEF CON 21 conference context, contest archive links, press archive, and post-event material release.
Official event archive source for dates, venue, badge-code release note, badge-hacking-file torrent, and Hardware Hacking Village context.
Official event archive source for DEF CON 23 context, conference materials, contest links, and post-event archive records.
Official archive source for DEF CON 24 event context, badge contest forum link, Council of 9 badge walkthrough link, CD torrents, and black-badge material.
Official event archive source for DEF CON 25 timing, venue, post-event archive context, and linked conference materials.
Official event archive source for DEF CON 26 context, venue split, firmware update/writeup notice, and media-server badge-material references.
Official host-event archive source for DEF CON 27 context around the Queercon 16 badge record.
Official event archive source for DEF CON 29 context, FAQ and badge links, and post-con material references.
Official event archive source for DEF CON 30 timing, venues, Hacker Homecoming context, badge-talk video notice, and media archive pointers.
Official source for the SAO customization slot preview, add-on design-assets pointer, and spux badge-designer credit.
Official source for the non-electronic physical badge mandate, MK Factor context, and planned badge production scale.
Official event archive source for DEF CON 31 dates, venues, and conference context.
Official source connecting Mar Williams to the year's official DEF CON badge and identifying their DEF CON artist role.
Official badge-update path proving defcon.org/badge/32 as the public patch/archive handoff URL.
Official event archive source for DEF CON 32 dates, venue, prices, and post-con archive links.
Official source for badge sale and extra-badge posts, first-RP2350-board wording, save-issue patch notice, and DEF CON's response to badge controversy.
Official source for DEF CON 33 dates, venue, conference context, cash receipt link, contest results link, and media-server path.
Official source for DC33 public event timeline and post-event publication context.
Official event source placing Biohacking Village at DEF CON 33 and describing the village as an immersive healthcare, medical-technology, and cybersecurity area.
Official homepage source for DEF CON 34 dates, LVCC West Hall location, Agency theme, and preregistration news.
Official social source for DEF CON 34 being an electronic badge year, a hardware-hacking-legend teaser, and the pre-event SAO spec sheet release.
Official event-context source for the April 28-30, 2026 DEF CON Singapore conference at Marina Bay Sands; this source does not identify the HFSDR as an official DEF CON badge.
Official host-event source for the April 28-30, 2026 DEF CON Singapore conference at Marina Bay Sands; this source does not identify the TISC trinket as an official admission badge.
Official creator-talk source for Mar's badge-making talk, Saturday 10:00 timing, 45-minute duration, and framing around badge creation, art, hacking, and constraints.
Schedule source placing the NilbinSec badge drop at DEF CON 33 in the Badgelife Community area.
Official announcement source for the 1993 dates, Sands Hotel venue, registration pricing, and the 24-bit color pre-generated name-tag statement.
Official scanned program PDF preserved in the DEF CON media archive; used for first-event program context rather than badge hardware claims.
Official program source for tenth-year context and badge form-factor language about ninja throwing badges and corner holes.
Official program source for event operations, map, information booth, contest context, Goon/staff badge references, and the physical conference setting.