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PODCAST

Chaos Computer Club - recent audio-only feed

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:46:37

Matrix and MLS - Water, Oil and Mayonnaise...

Chaos Computer Club - recent audio-only feed ·

2025/10/16

MLS and Matrix don't mix well. But why is that and what can we do about it? Since I got to touch that area a bit, I'll try to give some answers, but don't expect solutions. We will be looking how MLS and Matrix work internally, how a tree is a DAG but a DAG not a tree and maybe we will have some glorious idea or get frustrated. No promises! 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/Z9B878/

00:22:15

Sweden's Public Sector in Transition (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

For decades, government agencies have relied on proprietary, siloed communication systems. Today, several Swedish initiatives are exploring new paths forward. First, we will provide details on the latest developments within SAFOS, a service designed to establish a potential national standard for secure messaging, video conferencing, and real-time collaboration. Second, we will share insights from eSam — a voluntary collaboration between public agencies — where a multi-agency task force is

00:25:27

The TI-Messenger Story (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

In this talk, we’ll take you through the real-world journey of developing and approving a TI-Messenger - a secure, interoperable messaging application built on top of the Matrix protocol for use within Germany’s healthcare system. What began as am idea soon grew into a tightly regulated, multi-stakeholder project, with high demands on privacy, trust, and compliance. This session is less about features and more about transformation. It’s a case study of how we shaped a Matrix-based messenger to meet

00:36:48

Code review in era of collaborative development (sps25)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

Code review is a central part of everyday developer jobs. The motivation to create this talk was a quote: “The most important superpower of a developer is complaining about everybody else's code.” In this talk, I’ll explain my approach to better code review. Sometimes, it’s hard to convince a colleague about change or don’t change some lines of code. In my talk I would like to cover some best practices from my software engineering experience about efficient and honest code review. How to create a

00:26:01

How the new Swiss Open Source Law EMOTA strengthens...

Chaos Computer Club - recent audio-only feed ·

2025/10/16

Since 2024, the Swiss federal government has been obliged by the new EMOTA law to publish all its software under open source licenses. This new 'Federal Act on the Use of Electronic Means to Conduct Official Tasks' (EMOTA) has had an impact on IT procurement and open source activities in Switzerland. By encouraging the creation of open source communities, the law reduces vendor lock-in and strengthens digital sovereignty. Licensed to the public under

00:37:32

Beyond Olm (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

[matrix] as an end-to-end encrypted communication standard has its flaws. Flaws in privacy, flaws in complexity. With the standard of Messaging Layer Security (MLS), the [matrix] ecosystem has the opportunity to address old flaws, rethink room state and increase interoperability. In this talk, I will provide a beginner's guide on challenges of [matrix] 3.0. > Messaging Layer Security (RFC 9420, MLS) is a modern layer for end-to-end encrypted group messaging providing Forward Secrecy (PFS) and

00:20:58

From Healthcare to Governments: (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

With the TI-Messenger, built on the Matrix protocol, Famedly has enabled secure and interoperable communication across the German healthcare system, from hospitals to pharmacies. Adoption is growing rapidly, with millions of potential users on the horizon. In this opening talk, we’ll look back at TIM’s journey so far, highlight its impact and adoption, and then take a step beyond healthcare into the government. We’ll also give a glimpse into MLS and how it will strengthen security and

00:30:56

When Close Enough is Good Enough (sps25)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

Sometimes getting an approximate answer is super good enough. How do you check for duplicates, count unique users, or track item popularity when your dataset won’t fit in memory? Enter probabilistic data structures like Bloom filters, Count-Min Sketches, and HyperLogLog! This talk introduces these powerful tools, demonstrates simple implementations in Python, and gives you ideas on when to use them. Walk away ready to apply these techniques in your own projects - no advanced math required.about

00:06:22

Welcome - Day 1 (sps25)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

A welcome message and useful information from the organisers. You will also find useful information on our [website](https://www.python-summit.ch/). Or feel free to ask any member of staff if you have a question. about this event: https://talks.python-summit.ch/sps25/talk/LL3K3L/

00:28:19

The Matrix State of the Union (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

As project lead of Matrix, Matthew gives a snapshot of where the project is at. Highlights should include: * Overview of recent high-profile Matrix deployments and uptake * Overview of the recent major projects to fix state resets and improve decentralisation reliability * Overview of making Matrix a safer place via improved Trust & Safety work * Progress on Matrix 2.0 MSCs (Next Gen Auth, Sliding Sync, MatrixRTC) and uptake * Progress on Olm/Megolm improvements (history sharing, TOFU,

00:18:26

The Matrix.org Foundation Updates (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

This session will present the latest updates from the Foundation itself, and the progress it has made in standing on its own legs during the last 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/3RXLTQ/

00:12:21

Opening (matrix-conf-2025)

Chaos Computer Club - recent audio-only feed ·

2025/10/16

Welcome 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/CL3HJB/

00:04:48

Aquaponik (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:04:10

Alpaka.Connect (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:03:18

Anti-Stress Kuscheltier (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/about this event: https://c3voc.de

00:04:35

Safe Media (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:05:55

Wallet Finder (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:04:12

Minecraft Shader (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:04:00

Servo-Gurt (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

00:03:05

StatisTok (jh25)

Chaos Computer Club - recent audio-only feed ·

2025/10/12

Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de

2,754 results

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