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Schedule

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Calendar

Day 1 Day 2 Day 3 Day 4

recorded only not recorded only

Tracks

CCC & Community Hardware Security Art & Beauty Ethics, Society & Politics Science Live Performance DJ-Set Entertainment

Day 1
11:00

11:30

12:00

12:30

13:00

13:30

CDC Triangle

Intro to the Critical Decentralization Cluster (en)

Diego Salazar

Welcome and presentation of the CDC.

The CDC Badge: conference badge & devboard with TROPIC01 and ESP32-S3 (en)

dllud, Pavel Polach, bobotronic

Electronic hacker badge for the Critical Decentralization Cluster, featuring the TROPIC01 secure element with an ESP32-S3 microcontroller. Meant to be used for workshops and prototyping. It can also be worn as a mobile badge. Features an e-paper display with frontlight, a JST connector for single-cell LiPo batteries and a 12-button keypad. Designed with KiCad and released as open-hardware. https://github.com/riatlabs/cdc-badge

OpenPGP 2025: Zero → Hero (en)

darko

Learn modern OpenPGP with the new RFC 9580 and Sequoia’s sq CLI. In two hours you’ll generate a v6 certificate, create a revocation cert, and practice daily ops: encrypt/decrypt, sign/verify, and publish via WKD/keyservers. We’ll cover Web-of-Trust basics (link vs vouch, trusted introducers, approvals) and note a GnuPG/v4 compatibility path. Optional: quick smart-card demo. Bring: laptop with terminal, email address; Sequoia sq preferred.