Add-on dossier
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
The 39C3 page documents Hub profile display, pending badge acceptance, default visibility, per-badge visibility choices, and badge management controls.
Badge context
Official info page documenting participant badge collection, redeem tokens, profile display, assembly backoffice badge creation, badge categories, QR codes, and Hub visibility controls.
Official event info source for 39C3 POWER CYCLES in Hamburg, December 27-30, 2025, and the Hub navigation that includes Badges and you.
Source trail
Primary official source for Hub digital badge collection, token redemption, profile management, assembly-created badges, categories, and backoffice workflow.
Official event source for 39C3 POWER CYCLES in Hamburg, December 27-30, 2025, and the Hub navigation surface.