Dear creatures and participants,

the end is nigh! Days full of encounters, curiosity, tin solder, discourse, music, code and Chaos are behind us. Thank you for filling this Congress with life. You made this event into what it is.

As much as we would wish Congress to continue forever, now the time has come to pack up, take a breath and say goodbye.

After the closing, assemblies start emptying their spaces. Please take the time to tear down in an orderly and mindful way. Clear your tables quickly so that the Møbelhaus can carry tables and chairs away and that network and power infrastructure can …

Do you like pagers? Are you interested in how to design a critical infrastructure or would you like to get to know such systems at 39C3? Looking for an easy way to get started in the world of amateur radio?

We at assembly Signalspielplatz, in cooperation with CERT and the radio group DL0TUH, are developing and operating a pager infrastructure that is to be used for alerting CERT operatives in the future. To test this infrastructure, we would appreciate it if you could send us lots of test messages!

Receive Messages

We operate our system on 439.9875MHz. We provide the following RICS for you: …

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• Registration is open – register your number in Guru3
• Don’t forget your phone (ISDN, DECT, GSM, SIP)
• Remember batteries, charging cables, and CCC SIM card
• There will be eSIMs for the GSM network
• The dial-in number from outside is: +49 40 5730830 xxxx

Preparations for 39C3 are already in full swing. You have already registered more than 5,600 extensions. We are very excited. We would like to take this opportunity to provide some information about telephony at 39C3 and have compiled the following details on all the technologies you can use to participate in the Congress telephone …

Once again this year, hackspaces and other locations are offering a place to meet, stream Congress talks, hack, have a party and more. Congress is everywhere where people bring it to life. It’s also possible to visit one another.

These Congress Everywhere locations are known to us:

Good news: Once again we were able to convince some nearby schools to let us use their gymnasiums as sleeping spaces. Tickets will cost 5 € per night. They will be sold at the cashdesk from day 0 until day 4, starting at 18:00. Each evening, tickets will be sold for the current night only.

We have reserved a special allocation for angels who have worked some shifts. Gymnasium tickets for angels will be available at Heaven at all times and for more than just the current day.

Showers and toilets will be available on site, you need to bring your own camping mat and sleeping bag.

Please note: …

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• There will be two lightning talk sessions
• You can submitt your talk here: https://cfp.cccv.de/39c3-lightningtalks/cfp
• Dedicated block for talks related to sustainability
• 5 minutes for a talk
• Submissions only with slides
• First come, first served! (The exception proves the rule.)

Your chance is here!

Have you always wanted to stand in front of a large audience and bring your knowledge, incredible experience, projects, ideas, hacks, or stories to the stage? Now is your chance! The Lightning Talks at 39C3 open the floodgates for you.

Here are the rules:

• You have 5 minutes for your …

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• Various support structures are available for you at 39C3.
• Awareness: e.g. in cases of discrimination, boundary violations, harassment and (sexualised) violence.
• c3auti: Needs and problems of neurodivergent beings
• Accessibility: easy access and minor support issues on site.
• Contact details can be found in the text below and at help.ccc.de.
• In addition, CERT is available for medical care, CrewCrew for security issues and the arbitration board for serious conflicts.
• Please read the principles.

All Creatures Welcome

“What brings us together is not what we already know, but what we still …

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• Workshops, group meetings, short talks, … – Our collective term for all of these is Self-organized Sessions.
• You can create Self-organized Sessions already, but dedicated rooms will become bookable gradually this time. The start date for each round has now been determined, see below!
• An overview of all Self-organized Sessions can be found in the Hub.
• If you are interested in a session, log in and mark it as a favourite – this helps us estimate how large the room needs to be.
• To create new sessions yourself, use the Hub’s Backoffice.
• Assemblies can decide whether they want to open their …

The word’s on the street that you can now stock up on amazing cloth in the official 39C3 look at our merch store.

In addition to the traditional black, this year’s shirts, zippers, hoodies, and sweatshirts are also available in spring-like shades of misty jade, lavender, and natural raw, in joyful anticipation of future camps. And to top it all off, you can adorn your heads with 39C3-themed embroidered beanies and your kids’ necks with uber-nerdy bibs. And for those who want to shine with subtle hacker shibboleth textiles even in formal settings, there is a lovingly …

After the halfnarp is before the schedule. Thanks to you, and thanks to the many helping hands of the content teams, we can now present to you the first version of the 39C3 Fahrplan!

The official stage programme at the 39th Chaos Communication Congress starts on 27 December, 10:30 with the opening ceremony and shines with a total of 165 talks. These have been lovingly sorted and curated for you into seven topical tracks. There is definitely something for everyone!

To those of you who now have counted manually or even found the gaps in the schedule: That’s right, because we have a few surprise …

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What has changed, in short: In response to the very clear reactions to the exception, the project “Creature ChroniCles” will now be governed by the photo policy in its familiar form. Before every photo, everyone involved will be asked for their consent.

Creature ChroniCles reloaded

In the pre-Congress stress, some things and details unfortunately get lost that seem natural for the people involved, while for others they are far from clear and unambiguous. That did happen to us with the blog article on the “Creature ChroniCles” project. We were too much trapped in our inside view. Most of …

Planning for Congress, unsure what to do there, interested in applying your impressive language skills? If you are multilingual and fluent in German, English and maybe other languages, please consider joining the interpreters team, c3lingo.

We interpret ALL talks in the four main halls live and in real-time. German talks are interpreted into English, and vice versa. Our work is streamed to the Internet and transmitted as audio-only streams in the halls, and recordings are published on media.ccc.de. We have another channel where we interpret into more languages, this is transmitted and …