Series
New Zealand hacker-conference badge lineage, represented by source-backed CHCon 2018 and 2019 identity/challenge artifact records plus the CHCon 2025 ESP32-C3, OLED, RGB LED, bare-metal Rust, and Minecraft-server badge record.
New Zealand hacker-conference badge lineage, represented by source-backed CHCon 2018 and 2019 identity/challenge artifact records plus the CHCon 2025 ESP32-C3, OLED, RGB LED, bare-metal Rust, and Minecraft-server badge record.
Badges
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.
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.
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.