Series
DEF CON's Singapore conference line, represented here by an unofficial community HFSDR badge release trail, an HTX Public Safety Village badge artifact, and a CSIT TISC finalist ESP32 challenge trinket without treating any of them as a universal admission-badge claim.
DEF CON's Singapore conference line, represented here by an unofficial community HFSDR badge release trail, an HTX Public Safety Village badge artifact, and a CSIT TISC finalist ESP32 challenge trinket without treating any of them as a universal admission-badge claim.
Badges
Unofficial CH32V305 SDR badge preorder
A community HFSDR badge preorder for DEF CON Singapore 2026, documented through Hackin7's r/Defcon preorder post and the linked public rhgndf/hfsdr hardware, firmware, host-software, and WebUSB archive.
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.