Tag dossier
Badge records tagged with Badge Challenge, across India, New Zealand, Singapore, Taiwan, United States.
Christchurch identity tag with source-backed badge-challenge context
CHCon 2018's official site documents identification tags/badges as part of the event materials and says CTF, badge, and locksport challenges would run throughout the main event.
Tymkrs electronic text-adventure badge
A Tymkrs / Toymakers official DEF CON 26 electronic badge with a PIC32MM0256GPM controller, reverse-mounted LEDs, capacitive controls, four-AA battery stack, USB serial interface, badge-to-badge connector, add-on header, and a retro text-adventure badge challenge.
Taiwan-shaped ARM TrustZone challenge badge
An official HITCON CMT electronic board badge shaped around Taiwan, combining collectable conference identity, 24 LED unlock states, sponsor booth challenges, a snake warm-up, and ARM TrustZone exploitation stages.
STM32 and iCE40 Enigma-machine badge with linked-ring challenge
The SAINTCON 2019 Enigma Badge was a two-board electronic conference badge shaped as a segment of an Enigma rotor, combining a curved RGB LED matrix, lampboard LEDs, 26 buttons, plugboard wiring, minibadge-holder support, and badge-to-badge connectors for a cooperative ring challenge.
RP2040 New Normal macro-pad badge
An MK Factor official DEF CON 29 electronic badge built around Raspberry Pi's RP2040, a 1.8-inch LCD, six-button D-pad surface, SAO connectors, USB-C, speaker, coin-cell plus USB power behavior, UF2 firmware updates, HID macro-pad mode, and a New Normal challenge path.
First sticker-backed Kākācon puzzle trail
The organizer walkthrough for Kākācon 2021 documents the first Kākācon badge challenge, with the entry point printed on the backing paper of a Pepper Raccoon-designed sticker.
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.
Second sticker-backed Kākācon puzzle trail
The organizer walkthrough for Kākācon 2022 documents the second Kākācon badge challenge, again using the back of the event sticker as the puzzle entry point.
RP2350 handheld-game badge
An official DEF CON 32 electronic badge built around Raspberry Pi RP2350 silicon, a handheld-game-style interface, LEDs, firmware archives, and a DEF CON 32 badge game whose GB Studio project files were published after the event.
Singapore dual-screen Octopus badge
Off-By-One Conference 2024 used an Octopus-themed hardware badge with ESP32-S3 and ATmega328P controllers, dual 128x128 GC9A01 round LCDs, IR, WS2812 LEDs, buttons, a user-flashable MicroPython challenge surface, and six published challenge flags.
ESP32-C3 pukeko badge with OLED, RGB LEDs, Rust VM, and Minecraft server
CHCon 2025's attendee badge was a custom circuit-board badge with an ESP32-C3, SSD1306 128x64 OLED, 24 WS2812 RGB LEDs, USB Serial JTAG shell access, bare-metal Rust firmware, a stack-based pattern VM, and a Minecraft 1.21.4 challenge server.
Layered-lens physical badge
An official DEF CON 33 non-electronic physical badge by Mar Williams, built around layered art, 3D image interactions, lenses, clue spotting around the con, and an Arts & Entertainment booth badge challenge.
Official Tampa badge/lanyard challenge and Uber Badge award trail
BSides Tampa 2026 is represented here by official attendee-badge and badge-challenge sources: the current FAQ says every participant gets a badge and lanyard, the badge-challenge page tells attendees that their badge is part of the puzzle, and the Uber Badge page records the lifetime-admission award path for badge-challenge winners.
Goa soldering-village badge with hidden challenge
A conservative Seasides 2026 Hardware Hacking Village badge record from official Seasides and HW101 pages documenting a drop-in soldering village where attendees could build a custom badge and pursue a hidden hardware/firmware challenge.