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
Greenhouse Gas Emission Data
Public, difficult to access, and not always correct
40 min
What Makes Bike-Sharing Work?
Insights from 43 Million Kilometers of European Cycling Data
41 min
Build a Fake Phone, Find Real Bugs
Qualcomm GPU Emulation and Fuzzing with LibAFL QEMU
56 min
Wer liegt hier wem auf der Tasche?
Genug mit dem Bürgergeld-Fetisch. Stürmt die Paläste!
60 min
