Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The finalist writeup says each TISC@DEF CON SG finals participant was handed an ESP32 hardware trinket for one of the on-site challenges.
Badge context
Official DEF CON page anchoring the April 28-30, 2026 Singapore host event; it does not classify the TISC trinket as an official admission badge.
Finalist report documenting top-50 qualification, six-hour finals format, and the ESP32 BLE mesh challenge trinket handed to each participant.
CSIT official C517 Village page documenting TISC@DEF CON SG as a special-edition Capture The Flag with online qualifiers and on-site finals at DEF CON Singapore.
Source trail
Official C517 Village source for TISC@DEF CON SG, online qualifier and on-site final structure, C517 Village context, and CSIT framing.
Official host-event source for the April 28-30, 2026 DEF CON Singapore conference at Marina Bay Sands; this source does not identify the TISC trinket as an official admission badge.
First-hand finalist source for the top-50 finalist group, six-hour five-challenge finals, and ESP32 BLE mesh hardware trinket handed to each participant.