The 39th Chaos Communication Congress (39C3) takes place in Hamburg on 27-30 Dec 2025, and is the 2025 edition of the annual four-day conference on technology, society and utopia organized by the Chaos Computer Club (CCC) and volunteers. Congress offers lectures and workshops and various events on a multitude of topics including (but not limited to) information technology and generally a critical-creative attitude towards technology and the discussion about the effects of technological advances on society.
39 min
Neuroexploitation by Design
Wie Algorithmen in Glücksspielprodukten sich Wirkweisen des…
39 min
Recharge your batteries with us
– an empowering journey through the energy transition
38 min
Endlich maschinenlesbare Urteile!
Open Access für Juristen
40 min
What Makes Bike-Sharing Work?
Insights from 43 Million Kilometers of European Cycling Data
40 min
Auf die Dauer hilft nur Power
Herausforderungen für dezentrale Netzwerke aus Sicht der…
39 min
Greenhouse Gas Emission Data
Public, difficult to access, and not always correct
41 min
