Add-on dossier
Double-sided CR80 card production
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
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production workflow
The H2HC card-printing posts document CR80 85.6 x 53.98 mm card sizing, a DASCOM DC-7600 600 DPI full-duplex re-transfer printer, front/back artwork preparation, on-site pickup workflow, and optional UV-ribbon capability rather than electronic badge firmware.
- Badge
- H2HC 2024 Hacker ID Card
- Type
- production workflow
- Status
- source-backed
- Compatibility
- H2HC 2024 Hacker ID Card
- Source
- https://security-bits.de/posts/2025-10-29-new_ids/
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