Tag dossier
Badge records tagged with CTF, across Argentina, Australia, Canada, Finland, Germany, Hungary, Italy, Netherlands, New Zealand, Portugal, Singapore, Sweden, Taiwan, Thailand, Ukraine, United Arab Emirates, United States.
ESP8266 Badger hacking board
The BSidesPDX 2015 Badger badge is a conservative source-backed badge-hacking board record tied to the official Electronic Taxidermy: Badger Hacking workshop and the public PDX Badgers 2015 PCB and firmware repositories.
Team hardware badge for the Bonsecours CTF
NorthSec's official past-editions page documents the 2015 Bonsecours CTF as a 54-team competition where participants, grouped in teams of eight, each had a hardware badge tied to network, IPv6 workstation, RF-monitoring, smartcard, and related challenge paths.
nRF51 and STM32 OLED/BLE badge
NorthSec's public 2016 badge repository documents an electronic attendee badge with nRF51822 and STM32F072CB microcontrollers, OLED display, BLE, battery management, touch buttons, red/green LEDs, USB, SWD programming, and STM32 USB DFU support.
Hand-built badge with USB reflashing and CTF challenge hooks
The RVA5sec 2016 badge is documented by HackRVA's official interview as a hand-built custom-firmware electronic badge with reused/improved hardware, standard USB reflashing, low-frequency serial-transmission experimentation, and CTF challenge hooks.
Singapore ESP8266 CTF badge
NUS Greyhats' X-CTF 2016 finals used a custom ESP8266 electronic badge documented by the official event page, the badge designer's hardware and firmware writeups, and public hardware and firmware repositories.
nRF51 and STM32 badge with event firmware images
The NorthSec 2017 badge repository documents a dual-MCU electronic badge with nRF51822 BLE/OLED control, STM32F072 USB and touch-button handling, battery management, red/green LEDs, schematic files, website material, and multiple firmware images.
HackRVA badge artifact with badge-intro and CTF-room context
The RVAsec 2017 badge record is intentionally conservative: official RVAsec sources place HackRVA badge distribution in the 2017 layout and sponsor trail, and InfoconDB preserves a Badge Intro item, but this pass did not recover final component, firmware, schematic, or complete attendee-guide evidence.
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.
USB-serial hardware-hacking CTF badge
A Hacktivity conference badge with USB mini connectivity, FT232R/FT232RL USB UART discovery, a cross-platform 9600 baud serial workflow, boot-time CTF app, UART jumper path to a root shell, and optional RF-module soldering notes.
HackRVA electronic badge with games, puzzles, and two-channel audio
HackRVA's 2018 recap and badge wiki document more than 300 RVAsec electronic hardware badges with badge games, puzzles, two-channel audio behavior, challenge content, and badge-hacking competition context.
Arts Centre identity-badge materials with electronic challenge context
CHCon 2019's official sponsorship page documents identification tags/badges and printed materials, while the official about page documents a two-day CTF with cyber, physical, and electronic challenges.
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.
Official-history-backed CTF electronic badge
Hackfest's official history says the 2019 CTF innovated by introducing an electronic badge, and that the addition was an immediate hit with participants. The 2019 schedule documents badge pickup on October 31, November 1, and November 2, plus CTF registration and CTF room activity during the Plaza-era Quebec City event.
ATtiny85 and APA102 blinky CTF badge
Kernelcon's 2019 K-shaped badge was an electronic badge controlled by an ATtiny85, powered by three CR2032 cells, and fitted with five APA102 addressable RGB LEDs plus a button-driven mode system and CTF clues.
Ukrainian ESP32 badge and CTF platform
A Ukrainian NoNameCon 2019 electronic badge built by TechMaker around an ESP32 platform with Wi-Fi/Bluetooth, OLED display, LEDs, capacitive input, OTA firmware, SpyNet backend interaction, and a six-flag badge CTF.
Unofficial DEF CON 28 STM32F412 badge with BlackBerry keyboard CTF
The AND!XOR DC28 Badge was an unofficial DEF CON 28 Safe Mode badgelife board shipped through pandemic-era proxy drops, with an STM32F412RET6 MCU, 0.96 inch OLED, ST7735 128x160 TFT, APA-102C LEDs, BlackBerry Q10 keyboard, USB-C, Keystone 1020 battery holder, MyBASIC hardware scripting, and an embedded BENDERPISS CTF text adventure.
Ukrainian ESP32 air-quality badge and CTF platform
A Ukrainian NoNameCon 2020 electronic badge by TechMaker, redesigned as a custom ESP32-WROOM-32D board with optional BME680 air-quality sensing, dual OLED displays, joysticks, touchpads, WS2812 LEDs, USB-C programming, and embedded-systems CTF tasks.
Virtual-edition shipped badge package with MiniBadge and Hackers Challenge context
SAINTCON 2020 is represented here by its virtual-edition shipped badge package. The official archive identifies 2020 as a virtual SAINTCON year, InfoconDB supplies the October 27-30 dates, and first-hand DC540 coverage documents a physical badge package with the badge itself, an included MiniBadge, a coupon for a custom MiniBadge, and Hackers Challenge CTF badge context.
Official role and competition badge-art variants
A conservative Ekoparty 2021 record for the official badge-artwork set preserved on Ekoparty's own site, covering attendee, speaker, workshop, ACFT first/second/third-place, ICFT player, and Lado B variants.
AVR/OLED Packet Hack Village badge with CTF binary-input mode
A source-backed Packet Hack Badge record for HITB+CyberWeek 2021 Abu Dhabi, documented by a first-hand Hackster project page and a public firmware repository.
Singapore building-shaped serial CTF badge
SINCON 2023's first badge was a Khong Guan Building-inspired interactive CTF badge with a custom single-sided PCB, ABOV A96S174 MCU, CH340G USB-serial bridge, micro-USB, CR2032 holder, 12 MHz crystal, SMD passives, and 1206 LEDs.
UV-printed cyberpunk skyline CTF badge
A full-colour UV-printed Security Fest badge inspired by Gothenburg's skyline with a cyberpunk treatment, backside-mounted components, Micro-USB CTF interface, cryptography puzzles, and soldering-village LED personalization.
RP2040 CAN-bus badge with CHV SAO ecosystem
Car Hacking Village's DEF CON 32 badge ecosystem centered on a main RP2040 badge with CAN-network surfaces, four CHV SAO connectors, public board and firmware repositories, public CTF challenge notes, and IOActive's separately documented key-fob badge / SAO build.
Rabbit Chaos Adventure badge
A source-backed Easterhegg 2024 badge record for the Rabbit Chaos Adventure: the event wiki points to challenges on campus, laptop, and badge, while the public repository preserves RCA badge files, schematics, Gerbers, parts exports, media, and printable add-ons.
Electronic badge for SaikoCTF research participants
A conservative record for the electronic SaikoCTF badge promised to HITBSecConf2024 Bangkok research-study participants in the official recruitment statement.
Analog 555 and 4017 LAN cable tester
Kernelcon's 2024 [a]nalyze [i]nternet badge was an analog LAN cable-tester badge built without a microcontroller, using a 555 timer, 4017 decade counter, RJ45 path, diode network, head LEDs, and a detachable remote.
ESP32-S3 badge with four SAO ports
The NorthSec 2024 badge repository documents an ESP32-S3-WROOM-1-N8R8 electronic badge loosely based on ESP32-S3-DevKitC-1, with sixteen NeoPixel RGB LEDs, six buttons, two pairing connectors, four SAO v1.69bis connectors, USB-C or 3xAAA power, hardware files, and PlatformIO/ESP-IDF firmware targets.
Music-and-airship CTF building badge
A Security Fest 2024 badge shaped around Gothenburg's Feskekôrka fish-market landmark, with piano/touch-key gameplay, an airship story CTF, LEDs, USB-C serial interaction, and documented attendee/speaker/crew variants.
ESP32-WROVER MicroPython conference e-badge
BSides Fort Wayne 2025 had an electronic conference badge documented by a first-hand badge-team writeup and a public organization repository, with ESP32-WROVER hardware, dual SPI display headers, seven WS2812B LEDs, accelerometer, buzzer, LiPo charging, MicroPython firmware, and badge CTF challenge apps.
Portuguese Security BSides electronic badge with badge-sponsor trail
A source-backed Portuguese Security BSides electronic-badge record: the official BSidesLisbon 2025 about page says the edition would have an electronic badge, the sponsors page lists a Badge Sponsor section for BitSight, and Eventbrite anchors the November 13-14, 2025 Auditorio FMD-UL conference.
Singapore RP2350 and ECP5 FPGA challenge badge
NUS Greyhats' public GreyBadge archive identifies the 2025 GreyCTF badge as GreyMecha/Army, with RP2350-side CircuitPython firmware, KiCad hardware files, an ECP5U_25 FPGA schematic, GC9A01 SPI display, Li-ion power-path circuitry, summit UF2/filesystem releases, and named challenge apps.
ESP32-C3 conference and CTF badge with SAO and IR pairing
NorthSec 2025's official badge repository documents an ESP32-C3-WROOM-02-N4 badge with eighteen NeoPixel RGB LEDs, five buttons, an IR pairing connector, two SAO v1.69bis connectors, USB-C or AAA battery power, and separate conference/CTF firmware builds.
Capable hardware, difficult camp history
The Dutch 2025 camp badge mixed ambitious hardware with late distribution, LoRa caveats, battery-safety controversy, and a documented pre-event team conflict.
Interactive ESP32 conference badge with screen, controls, badge-to-badge comms, and SAO support
BSides Ballarat 2026's public event page documents an Underground interactive conference badge designed and produced by Firnsy at Ballarat Hackerspace, with ESP32 processing, a screen, controls, badge-to-badge communication, SAO support, and a limited BSides SAO add-on; a public maker writeup also documents a third-party WS2812B Simple Add-On for the badge.
Pre-event electronic badge design/build record for 500 delegates
BSides Brisbane 2026 is represented here as a planned pre-event electronic badge record: the official prospectus offers an Electronic Badge item for design and build for 500 delegates, while ticketing lists conference badge pickup and a VIP special badge tier.
Planned Portuguese BSides electronic badge experience
A conservative pre-event record for BSides Porto 2026's advertised electronic badge experience, anchored to the official site and ticketing page rather than component-level badge documentation.
HTX village badge with illuminated public-safety icons
HTX's official DEF CON Singapore coverage documents Public Safety Village badges, including a badge image described as featuring illuminated icons of emergency vehicles, alongside the first DEF CON Public Safety Village.
CSIT C517 finalist BLE mesh challenge hardware
A source-backed TISC@DEF CON SG finals challenge artifact: CSIT's official C517 page documents the on-site TISC finals, and a finalist writeup says each of the top-50 finalists received an ESP32 hardware trinket running a customized BLE mesh chat protocol to reverse engineer.
ESP32-S3 MicroPython game badge
A Finnish Disobey badge built around ESP32-S3, a 1.9-inch TFT display, SK6812MINI RGB LEDs, joystick/buttons, MicroPython game firmware, OTA setup, web flashing, badge competitions, and a public hardware/firmware repository.
Pre-event unique hardware badge challenge
A current pre-event record for RomHack Camp 2026, whose public event site advertises a unique hardware badge and collectible challenge rather than final shipped hardware details.
limited first-180 ticket PCB badge
SECCON 2026 is represented by an official pre-event ticket source that says eligible passes include a PCB badge with CTFs and features, limited to the first 180 registrants.