DEF CON 30 · United States · 2022

DEF CON 30 Badge

MK Factor musical keyboard badge

An MK Factor official DEF CON 30 musical badge with Raspberry Pi Pico/RP2040-class hardware, a playable keyboard, display, speaker, audio input/output behavior, boot-mode and mass-storage update paths, and a music-and-pop-culture badge challenge spread across nine badge variants.

DEF CON United States Electronic Badge RP2040 Raspberry Pi Pico Musical Badge Keyboard Firmware Reversing Badge Challenge North America

EventDEF CON 30

SeriesDEF CON

LocationCaesars Forum, Flamingo, Linq, and Harrah's, Las Vegas, Nevada

CountryUnited States

People

Authors & Credits

badge challenge writeup author

Kybr / Pete

Author of the public DEF CON 30 badge challenge writeup used for badge variants, puzzle progression, and final-solution context.

Source

event and official badge archive publisher

DEF CON Communications

DEF CON's archive establishes the event context, venues, badge-talk link, and media archive path for DEF CON 30.

Source

firmware extraction writeup author

Dylan / elbee

Author of the FaultPoint firmware extraction and cracking writeup used for hardware and firmware-reversing details.

Source

official badge creators

MK Factor / Katie Whiteley and Michael Whiteley

InfoconDB lists Katie Whiteley and Michael Whiteley of MK Factor as presenters for the official DEF CON 30 badge-making talk.

Source

Why It Mattered

It is DEF CON's Hacker Homecoming badge: a large-run, supply-chain-era musical instrument and puzzle platform whose collaborative challenge required collecting notes, badge types, phone calls, web paths, firmware research, and faceplate details from many attendees.

Hardware

Public reversing and OFRAK writeups document Raspberry Pi Pico/RP2040-class architecture, external SPI flash, buttons/keyboard, screen, small speaker, audio behavior, BOOTSEL-style mass-storage mode, and firmware dumping through picotool. DEF CON forum notes also mention JTAG/SWD and connector footprints.

Software & Apps

The badge exposed play and challenge modes, role-specific musical faceplate data, boot-time key-test and mass-storage behavior, extractable firmware, image/audio assets, and modifiable firmware. Public writeups document picotool dumping, OFRAK/Ghidra modification, and key-combo decoding.

Lore

The challenge tied together Peer Gynt notes, phone numbers, conference phones, badge variants, friend unlocks, pop-culture references, small hidden faceplate numbers, and a final in-person handoff to the badge makers. DEF CON's archive called it the magical mystery musical badge.

Lifecycle

Add-ons & Upgrades

badge interface historical

Playable synthesizer keyboard

The badge operated as a playable musical keyboard and synthesizer with instrument behavior, display, speaker, and challenge mode tied to note entry.

Compatibility: DEF CON 30 Badge

Source

event challenge historical

Nine-variant music challenge

The challenge required collecting musical faceplate measures across multiple badge colors and using the combined melody to unlock later phone, URL, and friend-code stages.

Compatibility: DEF CON 30 Badge

Source

firmware workflow archived

BOOTSEL and picotool firmware path

Forum and reversing sources document booting into mass-storage/BOOTSEL behavior and using picotool or chip-off workflows to dump or replace firmware.

Compatibility: DEF CON 30 Badge

Source

Operational history

Issues & Camp Impact

firmware-and-final-state caveat note

Public sources document firmware dumping/modification, key combos, badge variants, and challenge flow, but this pass does not mirror every firmware image, media artifact, phone recording, badge variant, or post-win state.

The catalogue records verified hardware and challenge structure while leaving full artifact preservation and firmware archaeology for a later pass.

Confidence: source-backed but incomplete
Status: needs deeper artifact inventory
Timeframe: current DEF CON 30 pass
Source note: DEF CON forum thread, FaultPoint firmware extraction, Red Balloon Security OFRAK writeup, and Kybr challenge writeup.

missing rights-cleared image note

No local DEF CON 30 musical-badge photo has been added because article, forum, GitHub, and writeup images have not been paired with a complete reuse basis, attribution string, and processing record for this catalogue.

The entry remains image-free rather than copying attendee, press, forum, or GitHub-hosted challenge photography without provenance.

Confidence: local project policy
Status: needs licensed original replacement
Timeframe: current catalogue build
Source note: badge.gallery image policy, DEF CON forum images, FaultPoint images, Red Balloon Security images, and challenge-writeup assets.

Resources

DC30 badge forum thread official forum thread · DEF CON forum source for boot key-test mode, mass-storage firmware behavior, picotool dumping, connector observations, and early badge-hacking discussion. DEF CON 30 Badge Challenge Writeup challenge writeup · Kybr raw writeup source for nine badge variants, musical measures, Peer Gynt unlock, phone and friend challenge structure, hidden faceplate numbers, and final handoff context. DEF CON 30 InfoconDB record event metadata · InfoconDB source for DEF CON 30 event metadata and official conference links. DEF CON 30 badge fun with OFRAK firmware writeup · Red Balloon Security source for playable synthesizer behavior, Raspberry Pi Pico-driven badge description, speaker/screen/buttons, BOOTSEL/picotool workflow, and firmware modification. DEF CON 30 event archive event page · Official DEF CON archive source for August 11-14, 2022 venue context, Hacker Homecoming framing, media archive links, and magical mystery musical badge talk notice. Extracting and cracking DEF CON 30 badge firmware firmware writeup · FaultPoint source for RP2 B2/RP2040 and W25Q16JV identification, SPI flash extraction, XIP firmware analysis, and challenge key-combo decoding. Making of the DEF CON 30 badge talk talk metadata · InfoconDB talk record proving The Dark Tangent and MK Factor badge-maker presentation, date, presenters, and official badge-making context.

Sources

DEF CON: DEF CON 30 Hacking Conference Retrieved 2026-05-15 · Official event archive source for DEF CON 30 timing, venues, Hacker Homecoming context, badge-talk video notice, and media archive pointers. DEF CON Forums: DC30 badge Retrieved 2026-05-15 · Official forum source for boot mode, mass-storage firmware loading, picotool dumping, connector observations, and attendee badge-hacking notes. FaultPoint: Extracting and Cracking the DEFCON 30 Badge Firmware Retrieved 2026-05-15 · Technical source for RP2 B2/RP2040 and W25Q16JV hardware identification, chip-off extraction, XIP firmware analysis, and keyboard-combo decoding. InfoconDB: DEF CON 30 (2022) Retrieved 2026-05-15 · Event metadata source for DEF CON 30 dates, conference context, and official DEF CON links. InfoconDB: The Making of the DEF CON Badge Retrieved 2026-05-15 · Talk metadata source for MK Factor and Dark Tangent presenter attribution and official DEF CON 30 badge-making presentation context. Kybr / GitHub: DC30 Badge Challenge Writeup Retrieved 2026-05-15 · Challenge source for badge variants, musical-measure collection, Peer Gynt unlock, phone/friend challenge branches, hidden faceplate numbers, and final solution handoff. Red Balloon Security: DEF CON 30 Badge Fun with OFRAK Retrieved 2026-05-15 · Technical source for Raspberry Pi Pico-driven badge behavior, synthesizer, screen, speaker, BOOTSEL/picotool workflow, and OFRAK firmware modification.