Chaos Computer Club - archive feed (high quality)
by CCC media team
A wide variety of video material distributed by the Chaos Computer Club. This feed contains events older than two years
Episodes
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Partypaka (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Lautstärke messen (im Klassenzimmer) (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Daily Guide (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Closing (dhcp25)
sudo systemctl stop [email protected] Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://talks.dhcp.cfhn.it/dhcp25/talk/3JZZDG/
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Lama Script (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Schüli Cloud (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Space Tree (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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News Map (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Flappy Rocket (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Simple Study (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Bit-Flip (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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FAIREDU (jh25)
Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Abschlusspräsentation (jh25)
Projekte: FAIREDU, Bit-Flip, Simple Study, Flappy Rocket, News Map, Space Tree, Schüli Cloud, Lama Script, Daily Guide, Lautstärke messen (im Klassenzimmer), Partypaka Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://c3voc.de
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Writing your own Go linter (dhcp25)
How does a (Go) linter work? We'll find out and write our own! A linter is an automated way of performing a code review. It automatically checks your code way faster than any human could do, and with way less environmental impact and more deterministically than an AI would use. Sure, it does not...
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Tappybara: Niemand hat die Absicht, Bargeld zu digitalisieren! (dhcp25)
At our Saarländisches Chaos-Event Mega-Knowledgecamp, we created an Innovative Digital Platform™ to have digital payments at the bar, without involving American payment acquirers and networks. This talk will present the many NFC crimes we committed to enable this. Let's admit it, dealing with…
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Creating a Gridfinity Chocolate Advent Calendar (dhcp25)
Normal Advent calendars are boring: so let’s make our own! We’ll combine all our favorite technologies: Gridfinity (for the grid system), 3D printing (for the grid), vacuum molding (for the chocolate), laser cutting (for the frame), and automated paper cutting to create advent calendars that are...
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The S-Bahn Mitteldeutschland and It's Consequences (dhcp25)
The many consequences of running your regional rail network like an S-Bahn A transgender catgirl who knows too many things about the MDSB network infodumps to a (not) captive audience about the many issues said network has caused for the transit of the region around Leipzig and Halle Licensed to...
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A short Introduction to ROS 2 (chaosdorf)
This talk by strifel will contain a short introduction to the "Robot Operating System" (2!) and what it supports. about this event: https://c3voc.de
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Model kits and you! (chaosdorf)
a small talk about getting started with the hobby of model kits! about this event: https://c3voc.de
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Computer im Hackspace – das macht doch nix (chaosdorf)
2025 might be the year of Linux on the desktop at Chaosdorf: ytvwld is trying to reinstall the public Windows laptops with NixOS, Plasma and lightdm. He explains why UX design is hard and why systemd is important. about this event: https://c3voc.de
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Reverse engineering for fun and profit! (chaosdorf)
I tried reverse engineering a plugin for davinci resolve because I am not rich, can't buy it as a tax write-off and wanted a challenge. I do not endorse bypassing DRM illegally … heh about this event: https://c3voc.de
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Segeln für Nerds: Aero- und Hydrodynamik am Schiff (dhcp25)
Wir verschaffen uns einen Überblick über die physikalischen Effekte in Aero- und Hydrodynamik, die dafür sorgen, dass Segelschiffe schwimmen, vorwärts fahren und nicht umkippen. Danach wagen wir noch einen Blick darauf, was zusätzlich im Wasser passiert, wenn große Schiffe in engen Kanälen,...
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Speed Puzzlen – Die Ordnung im Chaos (dhcp25)
Eine kurze Einführung in die Kunst des Speed Puzzlen und die Community. Auch Puzzlen kann spannend sein! Ich erzähle euch etwas über das Konzept des Speed Puzzlen, die möglichen Strategien und die Community dahinter. Ausserdem werde ich einige Puzzles mitbringen, falls danach gepuzzelt werden…
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Opening (dhcp25)
sudo systemctl start [email protected] Licensed to the public under https://creativecommons.org/licenses/by/4.0/ about this event: https://talks.dhcp.cfhn.it/dhcp25/talk/K97WMF/
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Variational Autoencorders: the cognitive scientist's favorite deep learning tool (realraum)
Variational Autoencoders (VAEs) were first introduced as early concept learners in the vision domain. Since then, they have become a staple tool in generative modeling, representation learning, and unsupervised learning more broadly. Their use as analogues of human cognition is one of the first...
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Closing (matrix-conf-2025)
See you next year! Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/KAB39N/
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Holding the Fort: How did bridges happen (matrix-conf-2025)
Take a trip back through time with me as we learn about how bridges happened. Why did we do it at all? Whose idea was it to hook up the then fledgling matrix.org network to the biggest IRC network? How many databases were shredded in the line of duty? This talk features a journey back through…
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Leading the way into CRA compliance: Element’s approach to the incoming regulation (matrix-conf-2025)
The Cyber Resilience Act is a new European regulation that has the main goal to increase European cyber security and resilience, through accountability. A lot has been said about the impacts of the CRA on open source, in particular towards non-profit foundations, but what about organisations…
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How do messaging app users feel about untraceability? (matrix-conf-2025)
Messaging platforms offer to protect user privacy via a variety of features, such as disappearing messages, password-protected chats, and end-to-end encryption (E2EE), which primarily protect message contents. Beyond such features, "untraceable communication" tools for instant messaging protect...
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Getting started with Element Server Suite Community (matrix-conf-2025)
Join us for an introduction to the Element Server Suite Community, the simplest way to deploy a Kubernetes-based Matrix 2.0-ready stack, maintained by Element. This workshop will deploy all the components of the suite: a Synapse homeserver with Matrix Authentication Service enabled, a Matrix RTC...
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A Contextual Integrity approach to privacy in interoperable messaging (matrix-conf-2025)
This talk will introduce the Helen Nissenbaum's theory of Contextual Integrity as a framework for understanding privacy in messaging platforms. Contextual Integrity views privacy not as keeping information secret, but as making sure information flows in ways that match people’s expectations in a...
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Scaling Real-Time in NeoBoard: Our Journey from P2P to MatrixRTC + LiveKit (matrix-conf-2025)
[NeoBoard](https://neoboard.io/) is an open source real-time collaborative whiteboard built on the Matrix protocol. It functions both as a widget within chat-focused Matrix clients like Element Web, and as a standalone web app that acts as a lightweight, whiteboard-centric Matrix client In this...
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Integrating Matrix in a trustworthy collaborative ecosystem (matrix-conf-2025)
At Oodrive, our mission is to offer a secure and sovereign solution to manage our partners' most sensitive data. Building on this foundation, we are developing a secure collaboration platform that fully aligns with these values. Collaboration cannot happen without communication, therefore we...
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Portable identites (MSC 2787) and the GDPR right to rectification, a pressing need for server operators (matrix-conf-2025)
Most of the discussions around privacy laws have been focused on the protection of data and condition of processing. But some others rights are starting to be litigated more widley and will soon play a bigger role for IT systems managers. This talk will focus on the GDPR article 16 (right to...
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Building Matrix-Powered Campus Communication Platform Thousands Students (matrix-conf-2025)
In this talk I will present my journey in developing a decentralized and secure communication platform for a university with thousands students and faculty members. Using Matrix and Element as foundation I tailored the solution to meet academic needs, ensure data privacy and integrate with some...
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Solving the Fork Dilemma: How We Built a Maintainable Matrix Messenger (matrix-conf-2025)
Tammy is a multiplatform Matrix Messenger designed to be redefined by you. Want a different room list layout? Need a messaging interface tailored to a specific use case? Tammy’s extensible architecture makes that not only possible - but easy. In this talk, we’ll showcase how Tammy empowers...
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Schulchat RLP as [matrix]-based school messenger (matrix-conf-2025)
fairkom has developed a [matrix]-based school messenger for the Department of Education of the German state of Rhineland-Palatinate to serve up to half a million users. Schulchat RLP has one code base for all platforms and is available as app on Apple and Google Play Stores. What makes this...
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Closing - Day 2 (sps25)
A thank you from the organisers. We hope you enjoyed your day! about this event: https://talks.python-summit.ch/sps25/talk/QW7U3F/
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Lightning Talks - Day 2 (sps25)
Our Lightning Talks are open to everyone 😊 about this event: https://talks.python-summit.ch/sps25/talk/VG8HT8/
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What Networks tell us about Trades, Power, and the World? (sps25)
Networks are all around us, shaping phenomena like epidemics, communication, and transportation. In this talk, we will explore how real-world problems can be analyzed and solved using graph-based methods and simple algorithms. Drawing from examples such as trade networks, corporate structures…
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Gompertz Linear Units (GoLU) (sps25)
Activation functions are fundamental elements of deep learning architectures as they significantly influence training dynamics. ReLU, while widely used, is prone to the dying neuron problem, which has been mitigated by variants such as LeakyReLU, PReLU, and ELU that better handle negative neuron...
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The Role of the Matrix Protocol within Germany’s Sovereign and Secure Health Messenger Solution – A Loyal Player Embracing the Evolution of Secure Architectures (matrix-conf-2025)
Germany’s digital health infrastructure has long been built on the principles of sovereignty, open standards, and interoperability. With the electronic patient record (ePA) and KIM for secure data and document exchange, Germany established a federated ecosystem using standards such as FHIR and…
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Supporting TF-X with Matrix: best practices and pitfalls (matrix-conf-2025)
NATO organised a TaskForce-X Baltics event where we very quickly contracted, deployed and integrated telemetry and video streams from uncrewed platforms. This required a lot of coordination and this was done through our on-prem Matrix capability. I would like to share my experience by using…
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The Matrix SDK No One Talks About (matrix-conf-2025)
Trixnity is rapidly emerging as a powerful, flexible, and fully asynchronous SDK for building Matrix applications using Kotlin Multiplatform. What many don't realize: Trixnity is already in widespread use - potentially powering apps usable by over 50 million people. It’s embedded in multiple...
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Anonymization of sensitive information in financial documents (sps25)
Data is the fossil fuel of the machine learning world, essential for developing high quality models but in limited supply. Yet institutions handling sensitive documents — such as financial, medical, or legal records often cannot fully leverage their own data due to stringent privacy, compliance,...
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MatrixRTC - The key sharing problem (matrix-conf-2025)
Why is having large encrypted group calls difficult? How do other providers solve this? The future? Demos! Why are large encrypted group calls difficult to host? Specifically, we will go into the details about key sharing, how we can use some tricks to optimize it and how they are also a very big...
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Why do I have 2 passwords? How to talk about encryption in Matrix (matrix-conf-2025)
Most modern software applications give total trust to the service provider. End-to-end encrypted (E2EE) services are different: the service provider is a gateway, and the real trust is with other people. This is unfamiliar, and can make using E2EE confusing. When you add in federation (meaning…
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Element X and Pro Updates (matrix-conf-2025)
We will provide you with the latest updates on Element X mobile apps, as well the plan to sunset our classic Element apps. This includes both the current state, as well as a look into what to expect during the next couple of months and details about specific features like threads and spaces that...
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Agentic Cyber Defense with External Threat Intelligence (sps25)
This talk will detail how to integrate external threat intelligence data into an autonomous agentic AI system for proactive cybersecurity. Using real world datasets—including open-source threat feeds, security logs, or OSINT—you will learn how to build a data ingestion pipeline, train models with...
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Secure and Sovereign communications for United Nations International Computing Centre and its Partners (matrix-conf-2025)
Secure communication leveraging the Matrix protocol for UNICC and its partners Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://cfp.2025.matrix.org/matrix-conf-2025/talk/WM9WAE/
About this show
A wide variety of video material distributed by the Chaos Computer Club. This feed contains events older than two years
Hosted by
CCC media team
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