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39th Chaos Communication Congress Videos

https://media.ccc.de/b/congress/2025
137•Jommi•2h ago

Comments

blakesterz•1h ago
https://media.ccc.de/v/39c3-a-post-american-enshittification...

Cory Doctorow's talk is quite strong.

teroshan•46m ago
Transcript of the speech on his blog: https://pluralistic.net/2026/01/01/39c3/#the-new-coalition

An excerpt:

> I assume you've spotted the pattern by now: the US trade representative has forced every one of its trading partners to adopt anticircumvention law, to facilitate the extraction of their own people's data and money by American firms. But of course, that only raises a further question: Why would every other country in the world agree to let America steal its own people's money and data, and block its domestic tech sector from making interoperable products that would prevent this theft?

> Here's an anecdote that unravels this riddle: many years ago, in the years before Viktor Orban rose to power, I used to guest-lecture at a summer PhD program in political science at Budapest's Central European University. And one summer, after I'd lectured to my students about anticircumvention law, one of them approached me.

> They had been the information minister of a Central American nation during the CAFTA negotiations, and one day, they'd received a phone-call from their trade negotiator, calling from the CAFTA bargaining table. The negotiator said, "You know how you told me not to give the Americans anticircumvention under any circumstances? Well, they're saying that they won't take our coffee unless we give them anticircumvention. And I'm sorry, but we just can't lose the US coffee market. Our economy would collapse. So we're going to give them anticircumvention. I'm really sorry."

> That's it. That's why every government in the world allowed US Big Tech companies to declare open season on their people's private data and ready cash.

> The alternative was tariffs. Well, I don't know if you've heard, but we've got tariffs now!

> I mean, if someone threatens to burn your house down unless you follow their orders, and then they burn your house down anyway, you don't have to keep following their orders. So…Happy Liberation Day?

neiman•1h ago
Where were people's favourite lectures?

I attended 7 talks.

My favourite talk by far was hacking the GPG. Brilliant, really: https://media.ccc.de/v/39c3-to-sign-or-not-to-sign-practical...

The "In-house electronics manufacturing from scratch" was a very inspiring talk: https://media.ccc.de/v/39c3-in-house-electronics-manufacturi...

The rest were less good for me personally. Either over-dramatic and shallow (with a sexy-sounding topic) or too procedural in topics I'm not an expert in.

SoylentBob•1h ago
The one on the bluetooth headphone vulnerabilities was quite fun: https://media.ccc.de/v/39c3-bluetooth-headphone-jacking-a-ke...
pamcake•50m ago
I also enjoyed the GPG talk. Other highlights:

Not an Impasse: Child Safety, Privacy, and Healing Together: https://media.ccc.de/v/39c3-not-an-impasse-child-safety-priv...

APT Down and the mystery of the burning data centers: https://media.ccc.de/v/39c3-apt-down-and-the-mystery-of-the-...

Bluetooth Headphone Jacking: A Key to Your Phone: https://media.ccc.de/v/39c3-bluetooth-headphone-jacking-a-ke...

robingchan•42m ago
order by personal rank:

Sandstorm JP-8000 sawtooth DSP reversing https://www.youtube.com/watch?v=XM_q5T7wTpQ

Washing machines hacking https://www.youtube.com/watch?v=Q1S-PVo3GlA

AMD (ps5 sorta) security: https://www.youtube.com/watch?v=cVJZYT8kYsI

cool demo for the BT headphones talk: https://www.youtube.com/watch?v=TK5Tz4Bt94Y

precise time syncing with PTP: https://www.youtube.com/watch?v=dOt-zRIG5co

x86 > arm with intermediate: https://www.youtube.com/watch?v=3yDXyW1WERg

rs_rs_rs_rs_rs•32m ago
The one on bsd jails https://media.ccc.de/v/39c3-escaping-containment-a-security-...

The one on whatsapp bugs https://media.ccc.de/v/39c3-dngerouslink-a-deep-dive-into-wh...

weinzierl•20m ago
Somehow it did not get much attention, but Signal president Meredith Whittaker (together with Udbhav Tiwari) spoke about the risks and threats from AI-enabled systems.

AI Agent, AI Spy

https://media.ccc.de/v/39c3-ai-agent-ai-spy

I also found the talk about Asahi interesting, both from a technical standpoint but also as a nice update what the current status is.

Asahi Linux - Porting Linux to Apple Silicon

https://media.ccc.de/v/39c3-asahi-linux-porting-linux-to-app...

Finally, not recorded, but workshops like

Foundation workshop: Hands-on, how does the Internet work?

by Ingo Blechschmidt, is congress at its best. Getting a diverse set of people with various backgrounds and knowledge levels to ARP spoof in a little over an hour is art.

https://events.ccc.de/congress/2025/hub/event/detail/foundat...

Alconicon•13m ago
I think the blue team ctf ai talk was a good benchmark were we at right now https://media.ccc.de/v/39c3-breaking-bots-cheating-at-blue-t...
kherud•1h ago
One interesting detail: In previous years, Joscha Bach gave a talk on AI, consciousness, and related topics (see e.g. [0]). A similar talk was planned for this year as well, but after emails between him and Epstein were made public (see his comment on this in [1]), his talk was canceled. Instead, there appears to have been an event that critically addressed the situation [2]. Unfortunately it was not recorded. Did anyone attend? A discussion between Joscha and his critics would have been really interesting.

[0] https://media.ccc.de/v/38c3-self-models-of-loving-grace

[1] https://joscha.substack.com/p/on-the-jeffrey-epstein-affair

[2] https://events.ccc.de/congress/2025/hub/en/event/detail/tech...

weinzierl•32m ago
To add some context and to spare readers who, like me, know nothing about Joscha Bach and only little about Epstein from having to go through all the linked material:

The allegations do not appear to involve abuse or moral complicity with Epstein. Instead, they seem to focus on emails Bach exchanged with Epstein concerning IQ, race, and possibly sex. Bach denies these allegations of racism and sexism.

That is at least how I understand the material based on the provided links.

anotheryou•6m ago
Well that discussion talk is not an open discourse about the situation...

He quoted what he believed was scientific evidence in a private conversation that became public, has comments on fashism being efficient are clearly anti-facist and believed to observe a gender stereotype. No matter if the facts were true, it should be possible to discuss such things (especially those you think are facts) in private without getting canceled. Even if they would play in to the hand of racism or sexism if made as public statements.

I found his appology a bit weak, but I also don't see his offense, despite the messages in public being offensive and possibly harmful.

TheCraiggers•22m ago
So, since this relies on the various governments of the world getting off their asses to give up power, and also involves risk of more tarrifs and potentially pissing off fledgling tech companies in their own country: what's the chances of this actually happening? Because, after writing all that, it sure seems slim to me.

Kling Motion Control AI

https://motion-control.io
1•sinpor1•39s ago•0 comments

PDS – A standalone server for probabilistic data structures written in Go

https://github.com/benitolopez/pds
1•lopezb•1m ago•1 comments

HLS Entry-Level Adventure: Delivering Video to Your Phone Like Food Delivery

https://m3u8-player.net/en/blog/hls-beginners-guide/
1•wangneo276•1m ago•0 comments

What 50 Milliseconds Feels Like, ADHD involves a faster internal clock

https://vectorculture.substack.com/p/the-subjective-density-of-time-determines
1•obiefernandez•2m ago•0 comments

MiG in the Middle

https://www.dlab.ninja/2012/04/mig-in-middle.html
1•yubblegum•2m ago•0 comments

A Bluesky-to-Slack thread unroller

https://github.com/rajbot/bluesy-slack-thread-unroller
1•ohjeez•4m ago•0 comments

Taiwan's £7.5T secret weapon is disintegrating

https://www.telegraph.co.uk/world-news/2026/01/02/taiwans-75tn-silicon-shield-is-disintegrating
2•g-b-r•4m ago•1 comments

2025, the year we took the red pill

https://unherd.com/2025/12/2025-the-year-we-took-the-red-pill/
2•voxleone•9m ago•0 comments

Best Stack for a SaaS in 2026

https://forum.pragmaticentrepreneurs.com/t/meilleure-stack-pour-un-saas-en-2026-services-framewor...
1•todsacerdoti•9m ago•0 comments

Vibe Coding Killed Cursor

https://ischemist.com/writings/long-form/how-vibe-coding-killed-cursor
1•hiddenseal•10m ago•0 comments

Ask HN: How to Visualize Logical Block Addressing?

1•shivajikobardan•11m ago•0 comments

What happened in Q4 in my personal project

https://blog.with.audio/posts/q4-2025-withaudio-updates
1•OfflineSergio•12m ago•1 comments

I did 301,432 flashcard reviews in 2025

https://www.natemeyvis.com/i-did-301432-flashcard-reviews-in-2025/
1•Theaetetus•12m ago•0 comments

Why do Americans hate A.I.?

https://www.nytimes.com/2026/01/02/briefing/why-do-americans-hate-ai.html
3•roxolotl•14m ago•0 comments

Ruby2JS is an extensible Ruby to modern JavaScript transpiler

https://www.ruby2js.com/
1•Kerrick•15m ago•0 comments

YC, Enough with political and financial news. More Hacker News please (2008)

https://hackerbook.dosaygo.com/?view=item&p=1&id=311049
2•keepamovin•15m ago•0 comments

Why Nearly Every Apple Has a Sticker–and What That Tiny Label Does

https://www.seriouseats.com/why-do-fruit-stickers-exist-11874523
1•acdanger•16m ago•0 comments

Fork Yeah: We're keeping ingress-Nginx alive

https://www.chainguard.dev/unchained/keeping-ingress-nginx-alive
1•debdolph•17m ago•0 comments

Show HN: OpenSSPM

https://github.com/open-sspm/open-sspm
1•thesardorbek•18m ago•0 comments

The Cost of Software Libraries

https://posts.cgamedev.com/p/the-hidden-cost-of-software-libraries
2•colejohnson66•19m ago•0 comments

Wikipedia's most-read pages reveal our shared curiosities

https://www.not-ship.com/wikipedi/
1•Nitrolo•19m ago•0 comments

What I Want to Say in Interviews

https://nelson.cloud/what-i-actually-want-to-say-in-tech-interviews/
3•nelsonfigueroa•19m ago•0 comments

Mapping out the hidden mechanics behind why some fads spread like wildfire

https://phys.org/news/2025-11-hidden-mechanics-fads-wildfire.html
1•PaulHoule•21m ago•0 comments

UI Finesse Playbook

https://github.com/jshmllr/ui-finesse-playbook
1•triphoppin•21m ago•0 comments

Model Evals Can Fix Education

https://sibylline.dev/articles/2025-12-31-how-agent-evals-can-fix-education/
1•CuriouslyC•22m ago•0 comments

Ask HN: What if social media was mapped on to a globe?

1•anon_anon12•23m ago•0 comments

Ask HN: How does one scrape a website?

1•terry_hc•24m ago•0 comments

America's fight back against China starts in Los Angeles

https://www.economist.com/christmas-specials/2025/12/18/americas-fight-back-against-china-starts-...
2•andsoitis•26m ago•0 comments

The Next Thing Will Not Be Big

https://blog.glyph.im/2026/01/the-next-thing-will-not-be-big.html
1•vortex_ape•27m ago•1 comments

Pebble Round 2 – The Most Stylish Pebble Ever

https://repebble.com/blog/pebble-round-2-the-most-stylish-pebble-ever
4•jackwilsdon•27m ago•2 comments