Issue dossier
The sources prove a custom CR80 Hacker ID Card / reusable name-tag artifact and on-site card-printing workflow, but not a PCB, firmware project, badge challenge, or electronic conference badge.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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production note
Security-Bits post documenting the H2HC 2024 on-site card-printer workflow, CR80 85.6 x 53.98 mm cards, 600 DPI double-sided printing, image-preparation instructions, and HackerID request path.
Badge: H2HC 2024 Hacker ID Card
production retrospective
Security-Bits follow-up corroborating H2HC 2024 HackerID printing, Global Traveler ID use, DASCOM DC-7600 card-printer preparation, CR80 card stock, 600 DPI duplex re-transfer printing, and UV-ribbon capability.
Badge: H2HC 2024 Hacker ID Card
project page
Security-Bits project page documenting the Hacker ID Card concept, reusable name-tag / business-card framing, QR-code back side, first H2HC 2024 edition, colors, and design variants.
Badge: H2HC 2024 Hacker ID Card
Security-Bits.de · retrieved 2026-05-15
Primary H2HC 2024 production source for on-site card printing in Sao Paulo, CR80 size, 600 DPI double-sided printer, artwork preparation, HackerID requests, and custom-card limits.
Badge: H2HC 2024 Hacker ID Card
Security-Bits.de · retrieved 2026-05-15
Primary source for the Hacker ID Card concept, reusable name-tag / business-card classification, QR-code back side, and first H2HC 2024 edition with five colors and five name-tag-side designs.
Badge: H2HC 2024 Hacker ID Card
Security-Bits.de · retrieved 2026-05-15
First-hand follow-up source that says the author printed HackerIDs during H2HC 2024, created Global Traveler IDs for speakers, prepared with a DASCOM DC-7600 printer, brought CR80 cards to Brazil, and used 600 DPI duplex re-transfer printing with UV-ribbon capability.
Badge: H2HC 2024 Hacker ID Card