40C3: Model Citizens
The Chaos Communication Congress brings lectures, workshops and community activity to Hamburg, covering technology, society and civil liberties.
- Dates
- – Calendar dates; consult the organizer for daily times.
- Time zone
- Europe/Berlin
- Organizer
- Chaos Computer Club and volunteers
- Format and location
- In person · Hamburg Messe, Hamburg, Germany
- Event status
- Scheduled
- Registration
- Check organizer for registration
- security
- community
- technology-and-society

The Chaos Communication Congress brings lectures, workshops and community activity to Hamburg, covering technology, society and civil liberties.
On this page
Event overview
Attendance: physical. Hamburg, Germany.
Organizer calendar dates: 2026-12-27 to 2026-12-30. Daily start and finish times are not supplied in this listing.
Hamburg Messe
Official venue informationBefore you plan
Ticket availability and individual sessions are not established by this listing. Follow the official information pages for admission and programme updates.
Where should I confirm the latest details?
Use the organizer links below. Dates, capacity, programme and admission terms can change after verification.
Does absequ sell tickets?
No. External registration and any payments are handled by the organizer, not by absequ.