By chance I managed to get a ticket for the congress, being able to attend the event in person. Last time for me was in Leipzig, I think it was the 35c3.
I’ve attended following talks, my focus is as always to get more of the event and rewatch most of the talks later on. But for completeness:
- https://fahrplan.events.ccc.de/congress/2025/fahrplan/event/opening-ceremony
- https://fahrplan.events.ccc.de/congress/2025/fahrplan/event/zps-ein-jahr-adenauer-srp-und-mehr
Quite a bunch of attendees (including myself) are using FFP2 masks to protect themselves from the Congressseuche, whatever the 2025 edition will be.

The ‘CO2 hoody’
As I took an CO2 sensor with me, we took the chance and combined it to an wunderfully-absurd combination, having the sensor ducktaped on a hoody, a ‘CO2 hoody’, basically. Of course with googly eyes.

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