{"$schema": "https://c3voc.de/schedule/schema.json", "generator": {"name": "pretalx", "version": "2026.2.1", "url": "https://pretalx.c3voc.de"}, "schedule": {"url": "https://pretalx.c3voc.de/rc3-2021-r3s/schedule/", "version": "_1640615054", "base_url": "https://pretalx.c3voc.de", "conference": {"acronym": "rc3-2021-r3s", "title": "Remote Rhein Ruhr Stage", "start": "2021-12-27", "end": "2021-12-30", "daysCount": 4, "timeslot_duration": "00:05", "time_zone_name": "Europe/Berlin", "colors": {"primary": "#3aa57c"}, "rooms": [{"name": "r3s - Monheim/Rhein", "slug": "5-r3s-monheimrhein", "guid": "f91f4af4-b667-4705-9aab-5c280177bf49", "description": "main hall VHS Monheim/Rhein", "capacity": 101}, {"name": "Newsstudio", "slug": "144-newsstudio", "guid": "49835416-4dc2-55b2-9e10-4289122271ec", "description": "Zulieferungen durch die c3news.show", "capacity": 2}, {"name": "Newsstudio", "slug": "175-newsstudio", "guid": "823bb6ac-94b5-5414-8139-26c9f09b1e35", "description": null, "capacity": 2}], "tracks": [{"name": "r3s - RemoteRheinRuhr Talk", "slug": "15-r3s-remoterheinruhr-talk", "color": "#294068"}, {"name": "R3S local fun", "slug": "278-r3s-local-fun", "color": "#D325DE"}, {"name": "old and recycled stuff", "slug": "280-old-and-recycled-stuff", "color": "#306149"}, {"name": "News", "slug": "2415-news", "color": "#4E87C8"}], "days": [{"index": 1, "date": "2021-12-27", "day_start": "2021-12-27T04:00:00+01:00", "day_end": "2021-12-28T03:59:00+01:00", "rooms": {"r3s - Monheim/Rhein": [{"guid": "ea266d48-e185-5dbe-90dd-801a8fbe6ecc", "code": "QED93K", "id": 500, "logo": null, "date": "2021-12-27T10:45:00+01:00", "start": "10:45", "end": "2021-12-27T11:00:00+01:00", "duration": "00:15", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-500-r3s-opening", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QED93K/", "title": "R3S Opening", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Unser Opening auf der R3S - Remote Rhein Ruhr Stage", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "JTJXXZ", "name": "heyhej", "avatar": null, "biography": "Best shorkfriend <3\nAll shorks are best shorks :)", "public_name": "heyhej", "guid": "9222aaf3-5ad0-534a-ab51-b1907bc883a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/JTJXXZ/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QED93K/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QED93K/", "attachments": [{"title": "Slides", "url": "/media/rc3-2021-r3s/submissions/QED93K/resources/R3S_Opening_7U18lYb.pdf", "type": "related"}]}, {"guid": "ef4dcfd0-a6f8-5354-8cb2-cae7540cbf46", "code": "E9BQBU", "id": 208, "logo": null, "date": "2021-12-27T11:00:00+01:00", "start": "11:00", "end": "2021-12-27T11:40:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-208-tpm-the-explosion", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E9BQBU/", "title": "TPM - The Explosion", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "en", "abstract": "With approaches dating back to the 20th century, the idea of a TPM is simple: An\nisolated, constrained environment to offload trust establishment in a larger\ncomputing environment. That implies cryptography, firmware, hardware, and per\napplication, different requirements. This talk elaborates on how the seemingly\nsimple concept has been expanded over the years, enumerating implementations in\nhardware, firmware, other layers of software, and even web browsers, explaining\nwhy it is in fact far more complex than anticipated by looking at contemporary\nuse-cases, ending up with a discussion around the controversy about Microsoft\nmandating presence of a TPM in order to run Windows 11.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "TJDR8S", "name": "Daniel Maslowski", "avatar": "https://pretalx.c3voc.de/media/avatars/7013454308a11dd3c401d5d9f403bdc3_j1JNCZD.jpg", "biography": "I like giving talks and workshops.\n\nIn my free time, I work on free and open source software, especially operating systems and distributions, bringup and application firmware, tooling, integration, and documentation.", "public_name": "Daniel Maslowski", "guid": "c21fc039-7e1e-5c2c-b20f-7836f2462c57", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/TJDR8S/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E9BQBU/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E9BQBU/", "attachments": [{"title": "slides", "url": "/media/rc3-2021-r3s/submissions/E9BQBU/resources/tpm-the-explosion_1_PfQmpbZ.pdf", "type": "related"}]}, {"guid": "d8bf1ba4-0537-541d-8d34-47d030dc4256", "code": "HCVYZH", "id": 220, "logo": null, "date": "2021-12-27T12:00:00+01:00", "start": "12:00", "end": "2021-12-27T13:20:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-220-die-eu-im-krisenmodus-was-bedeutet-das-fur-die-zukunft", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/HCVYZH/", "title": "Die EU im Krisenmodus - Was bedeutet das f\u00fcr die Zukunft", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "de", "abstract": "Ein \u00dcberblick \u00fcber die Geschichte und den Herausforderungen der europ\u00e4ischen Integration.", "description": "Die lange Geschichte einer europ\u00e4ischen Integration und den Herausforderungen damit. Von vor dem ersten Weltkrieg \u00fcber die Montan-Union bis hin zum aktuellen komplexen EU-Gebilde der 28 Mitglieder. Anschlie\u00dfend werden die neuralgischen Spannungspunkte in der aktuelle EU-Konstellation aufgezeigt.", "recording_license": "", "do_not_record": false, "persons": [{"code": "DN3JKR", "name": "Siebo M. H. Janssen", "avatar": null, "biography": "kommt noch - wird nachgereicht - Wunschtermin: 27.12.2021 gegen Mittag - einzige M\u00f6glichkeit", "public_name": "Siebo M. H. Janssen", "guid": "c65234ae-a356-5457-9a59-e3aea2841662", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/DN3JKR/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/HCVYZH/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/HCVYZH/", "attachments": []}, {"guid": "ec7ccf21-b0d2-5fcb-b340-b89cad292a73", "code": "GKKMAY", "id": 233, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/GKKMAY/screenshot_wWMRplq.png", "date": "2021-12-27T14:00:00+01:00", "start": "14:00", "end": "2021-12-27T14:40:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-233-potato-presenter", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/GKKMAY/", "title": "Potato Presenter", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Potato Presenter ist eine Desktopanwendung mit der man Pr\u00e4sentationen erstellen kann. Es erwartet einen Textinput und generiert daraus eine Vorschau, auf welcher der User die einzelnen Elemente beliebig mit Hilfe der Maus manipulieren kann.", "description": "Jeder, der schon einmal eine Pr\u00e4sentation mit LaTeX Beamer erstellt hat, kennt das Problem:\nMan m\u00f6chte ein Bild ein wenig verschieben oder einen Pfeil an einer ganz bestimmten Stelle einf\u00fcgen, allerdings ist das nicht so ganz einfach m\u00f6glich.\nSo bin ich auf die Idee gekommen eine Desktop Anwendung zum Erstellen von Pr\u00e4sentationen zu entwickeln, die ein Textinput \u00e4hnlich wie LaTeX erwartet und aus diesem dann eine Vorschau generiert.\nAuf dieser Vorschau k\u00f6nnen die Elemente (Bilder, Texte, Pfeile) dann mit Hilfe der Maus beliebig verschoben, skaliert und rotiert werden.\nDaf\u00fcr habe ich C++ mit dem Qt-Framework, dem KTextEditor-Modul und Antlr4 verwendet.\nIn dem Vortrag werde ich die Anwendung kurz vorstellen und zeigen was sie alles kann und danach ein wenig erz\u00e4hlen, wie ich dies technisch umgesetzt habe.\n(Nat\u00fcrlich wird die Pr\u00e4sentation dazu mit dem tollsten Pr\u00e4sentationstool der Welt erstellt sein.)\nWenn ihr mehr wissen wollt oder das Release 1.0 ausprobieren wollt, dann besucht gerne https://potato-presenter.de/.", "recording_license": "", "do_not_record": false, "persons": [{"code": "CTNMZN", "name": "Theresa Gier", "avatar": null, "biography": "Ich hab Physik studiert und habe festgestellt, dass es keine Pr\u00e4sentationssoftware unter Linux gibt, die mir gef\u00e4llt. Deshalb schreibe ich jetzt selber eine.", "public_name": "Theresa Gier", "guid": "62f53fed-5436-515f-936b-401baf8d809e", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/CTNMZN/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/GKKMAY/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/GKKMAY/", "attachments": [{"title": "Preview Folien", "url": "/media/rc3-2021-r3s/submissions/GKKMAY/resources/preview_7VymKrR.pdf", "type": "related"}, {"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/GKKMAY/resources/potato_presenter_qETyyMl.pdf", "type": "related"}, {"title": "Tutorial", "url": "/media/rc3-2021-r3s/submissions/GKKMAY/resources/potato_presenter_tutorial_kJZbHjz.pdf", "type": "related"}]}, {"guid": "64d98dea-1d6a-5c5c-9e63-42f6c9ae2245", "code": "UUJGTC", "id": 319, "logo": null, "date": "2021-12-27T15:30:00+01:00", "start": "15:30", "end": "2021-12-27T15:55:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-319-resource-efficient-software-blauer-engel-eco-certification", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UUJGTC/", "title": "Resource-Efficient Software & Blauer Engel Eco-Certification", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "en", "abstract": "The Blauer Engel 4 FOSS (BE4FOSS) project from KDE e.V. seeks to collect, summarize, and spread information related to eco-certification and resource efficiency as it relates to FOSS development. In this talk I will focus primarily on the energy consumption of software, which is also the focus of the Free & Open Source Software Energy Efficiency Project, or FEEP for short. I will walk the audience through the 3 steps for obtaining *Blauer Engel* certification: (1) *Measure*, (2) *Analyze*, (3) *Certify*.", "description": "How independent is software from hardware? Unlike the tangible material of hardware, software is intangible, non-material. Or so it may seem. Often overlooked is the fact that the resource consumption of hardware is determined by the software running on it!\n\n*How much energy is used?* Look at the software: the same machine doing the same task with different software can have drastically different energy demands. *How long is the operating life of a piece of hardware?* Again, software is critical. Software bloat requiring more and more powerful hardware results in new devices being manufactured and sold, while perfectly functioning devices are discarded.\n\nSo when thinking about sustainability, we at KDE Eco think software \u2013 especially Free Software \u2013 is a good place to start. Free Software means users and their communities have the freedom to control the software they use, not the other way around. These freedoms provide real choice: choice in what to install, or uninstall; options to modify software to run more, or less, efficiently; opting to continue support for older, but functioning, devices; and so on.\n\nEach of these choices has a cost and/or benefit. For instance, the more (unnecessary) processes a piece of software runs in the background, the more resources the hardware will need. Multiply such costs by hundreds of millions, or even billions, of computer users worldwide, and it quickly adds up.\n\nIn short, software efficiency means resource efficiency.\n\nRecently, the interdependency between software engineering and sustainability issues was officially recognized by the German Environment Agency (*Umweltbundesamt*, or UBA). As of 2020, UBA released the award criteria for desktop software to obtain eco-certification with the *Blauer Engel* label. Categories for certification include energy efficiency, extending the potential operating life of hardware, and user autonomy ... all of which fit seamlessly with Free and Open Source Software (FOSS).\n\nThe Blauer Engel 4 FOSS (BE4FOSS) project from KDE e.V. seeks to collect, summarize, and spread information related to eco-certification and resource efficiency as it relates to FOSS development. In this talk I will focus primarily on the energy consumption of software, which is also the focus of the Free & Open Source Software Energy Efficiency Project, or FEEP for short. I will walk the audience through the 3 steps for obtaining *Blauer Engel* certification: (1) *Measure*, (2) *Analyze*, (3) *Certify*. This 3-step workflow will be described in detail, with concrete examples from KDE software. I will end the talk with an open call for community engagement, both specifically in applying for Blauer Engel certification and more generally in supporting a resource-efficient, Free Software future.", "recording_license": "", "do_not_record": false, "persons": [{"code": "TAENRL", "name": "Joseph P. De Veaugh-Geiss", "avatar": "https://pretalx.c3voc.de/media/avatars/joseph_512x512px_HghGoVJ.jpg", "biography": "Joseph P. De Veaugh-Geiss is the project and community manager of KDE e.V.\u2019s \"Blauer Engel 4 FOSS\" project. He supports the project by collecting and spreading information about Blauer Engel eco-certification and resource efficiency as it relates to Free Software development.", "public_name": "Joseph P. De Veaugh-Geiss", "guid": "2c4f276f-c490-5817-93d6-2a63fbe10ada", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/TAENRL/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UUJGTC/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UUJGTC/", "attachments": [{"title": "Teaser", "url": "/media/rc3-2021-r3s/submissions/UUJGTC/resources/2021-12-27_ccc-r3s_presentation_teaser_hGvG9KA.pdf", "type": "related"}, {"title": "slides", "url": "/media/rc3-2021-r3s/submissions/UUJGTC/resources/Resource-Efficient-Software-Blauer-Engel-Eco-C_2dWlaMo.pdf", "type": "related"}]}, {"guid": "c8f84c31-2b6d-5bd8-9659-679a3bdfe5bd", "code": "URH8BD", "id": 476, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/URH8BD/IMG_20181227_2006555_GvcWrTY.jpg", "date": "2021-12-27T16:30:00+01:00", "start": "16:30", "end": "2021-12-27T17:50:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-476-bildungsauftrag-bei-freifunk", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/URH8BD/", "title": "Bildungsauftrag bei Freifunk", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "de", "abstract": "Freifunk hat einen Bildungsauftrag. Wie kann dem gerecht werden?", "description": "Hat Freifunk einen Bildungsauftrag und wie kann man diesem gerecht werden?  \nVon niederschwelligen Angeboten f\u00fcr B\u00fcrgerINNEN, \u00fcber Router flashen bis hin zum Betrieb eines Freifunk AS scheint der Weg ein steiniger zu sein. \nWie kommt es das ein Freifunk Verein Preistr\u00e4ger des Medienkomptenzpreises des Land NRW 2021 ist? Welche konkreten Projekte mit Bildsauftrag ergeben sich bei dem Blick \u00fcber den Tellerrand?", "recording_license": "", "do_not_record": false, "persons": [{"code": "SPMLTW", "name": "Matthias Schmidt", "avatar": "https://pretalx.c3voc.de/media/avatars/Matthias-Schmidt-v3g_de_oNVXtW3.jpg", "biography": "Seit meinem 10. Lebensjahr (1990) was mit Computern, Freifunk D\u00fcren seit 2014. Kassenwart beim Freifunk Rheinland e.V., Beisitzer beim F3N Aachen.", "public_name": "Matthias Schmidt", "guid": "cdd9a4b8-34b0-55fc-9b5b-0f60428aff17", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/SPMLTW/"}, {"code": "VSVRBB", "name": "plaste", "avatar": "https://pretalx.c3voc.de/media/avatars/2021_plaste_vwzmPQU.jpeg", "biography": "Security affiner Freifunker seit 2015 \n\n* Vorstand bei Freifunk im Neanderland und Beisitzer bei W\u00fclfrather Ideen R\u00e4ume e.V.", "public_name": "plaste", "guid": "0ce115fe-00eb-598a-970a-b43b69c4eadb", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/VSVRBB/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/URH8BD/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/URH8BD/", "attachments": [{"title": "Slides -  Bildungsauftrag bei Freifunk", "url": "/media/rc3-2021-r3s/submissions/URH8BD/resources/20211227_Bildungsauftrag-Freifunk_WEjE00z.pdf", "type": "related"}]}, {"guid": "6cc6dfb3-957b-56c2-ac3d-03067ebad2d8", "code": "C3PGNJ", "id": 874, "logo": null, "date": "2021-12-27T18:30:00+01:00", "start": "18:30", "end": "2021-12-27T18:55:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-874-erklarhaj-zuchtet-kristalle", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/C3PGNJ/", "title": "Erkl\u00e4rhaj z\u00fcchtet Kristalle", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Erkl\u00e4rhaj setzt Kristalle an, die im Verlauf der Veranstaltung wachsen.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WFVS9W", "name": "erkl\u00e4rhai", "avatar": null, "biography": null, "public_name": "erkl\u00e4rhai", "guid": "4d0127c2-0f84-5ba4-8629-492a0f4768a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/WFVS9W/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/C3PGNJ/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/C3PGNJ/", "attachments": []}, {"guid": "45597ff7-e1c3-5098-a849-67837cff32fa", "code": "TF7DZZ", "id": 873, "logo": null, "date": "2021-12-27T18:55:00+01:00", "start": "18:55", "end": "2021-12-27T19:20:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-873-erklarhaj-machts", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TF7DZZ/", "title": "Erkl\u00e4rhaj machts!", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Erkl\u00e4rhaj erkl\u00e4rt tolle Experimente live auf der B\u00fchne!", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WFVS9W", "name": "erkl\u00e4rhai", "avatar": null, "biography": null, "public_name": "erkl\u00e4rhai", "guid": "4d0127c2-0f84-5ba4-8629-492a0f4768a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/WFVS9W/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TF7DZZ/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TF7DZZ/", "attachments": []}, {"guid": "96c146fd-fbe2-5e35-ae7c-0607095df71c", "code": "AH8HW8", "id": 201, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/AH8HW8/unwinnable_prices_template_2_GrgsrF4.png", "date": "2021-12-27T20:00:00+01:00", "start": "20:00", "end": "2021-12-27T20:25:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-201-unwinnable-prices-on-the-internet", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AH8HW8/", "title": "Unwinnable prices on the internet", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "en", "abstract": "Some websites offer a spinning wheel where you, in return for your e-mail address, can win prices and discounts and products. I dove into the code which powers this 'game', and discovered that many prices can't be won, even when altering the probabilities. In this talk I will discuss what I discovered, what I tried, and what the results were.", "description": "Some websites offer a spinning wheel where you, in return for your e-mail address, can win prices and discounts and products. I dove into the code which powers this 'game', and discovered that many prices can't be won. By altering the javascript code which powers these games it's possible to alter the probabilities, but that does not help to win the interesting prices which lure you into giving your e-mail address.  In this talk I will discuss what I discovered, how I did this, and what the results were. Last but not least I will try to find what the law says about this practice.", "recording_license": "", "do_not_record": false, "persons": [{"code": "ESUGUL", "name": "Roland Meertens", "avatar": "https://pretalx.c3voc.de/media/avatars/Screenshot_2021-11-16_at_13.58.04_aViKzWn.png", "biography": "Roland has a passion for Artificial Intelligence, and is specialised in robotics projects. He set up machine learning projects all the way from sensor selection, data collection and labelling to deploying the model in production. Please approach him to talk about deep learning and neural networks.", "public_name": "Roland Meertens", "guid": "57565729-8ea1-57da-baf4-22e2924a5244", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/ESUGUL/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AH8HW8/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AH8HW8/", "attachments": [{"title": "Teaser slides", "url": "/media/rc3-2021-r3s/submissions/AH8HW8/resources/Copy_of_Unwinnable_prices_on_the_internet_85p2rrQ.pdf", "type": "related"}, {"title": "slides", "url": "/media/rc3-2021-r3s/submissions/AH8HW8/resources/Unwinnable_prices_on_the_internet_1_0NnipUD.pdf", "type": "related"}]}, {"guid": "3e4acddc-038b-54b2-93c5-8d772885bb0f", "code": "AXZJBZ", "id": 114, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/AXZJBZ/adsb_finallx_kHFw86c.png", "date": "2021-12-27T21:00:00+01:00", "start": "21:00", "end": "2021-12-27T22:00:00+01:00", "duration": "01:00", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-114-ads-b-ais-open-data-is-in-the-air", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AXZJBZ/", "title": "ADS-B & AIS - Open Data is in the air", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "en", "abstract": "You like tinkering with single board computers, mesh networks and antennas? You've done it all! But what's next? Maybe this talk is for you. Using Linux, software defined radio and dirty little scripts, we built a realtime marine & airborne vehicle tracking network.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "G7WEJS", "name": "JJX", "avatar": null, "biography": "German Network Administrator with an interest in Planes, Ships, Trains and a love for high roof with sketchy antennas", "public_name": "JJX", "guid": "8eb060dc-3116-5192-ae09-1923681cca07", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/G7WEJS/"}, {"code": "LKTD3K", "name": "Skymaker", "avatar": null, "biography": "ADS-B. AIS. Networking. Ham Radio. Did I say cookies?", "public_name": "Skymaker", "guid": "feefc319-05f8-5a94-b00d-89df5efa8a28", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/LKTD3K/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AXZJBZ/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AXZJBZ/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/AXZJBZ/resources/rc_adsbfinal_pzWK3Zb.pdf", "type": "related"}]}, {"guid": "84949494-eb4d-5159-a62d-b71cc808d2a7", "code": "ECC9PJ", "id": 896, "logo": null, "date": "2021-12-27T23:00:00+01:00", "start": "23:00", "end": "2021-12-28T00:00:00+01:00", "duration": "01:00", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-896-lightning-talks-1", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ECC9PJ/", "title": "Lightning Talks 1", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Workshop 60 min", "language": "de", "abstract": "Moderierte Lightningtalks! Reicht eure Ideen unter https://pads.ccc.de/veryshort ein.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WFVS9W", "name": "erkl\u00e4rhai", "avatar": null, "biography": null, "public_name": "erkl\u00e4rhai", "guid": "4d0127c2-0f84-5ba4-8629-492a0f4768a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/WFVS9W/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ECC9PJ/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ECC9PJ/", "attachments": []}]}}, {"index": 2, "date": "2021-12-28", "day_start": "2021-12-28T04:00:00+01:00", "day_end": "2021-12-29T03:59:00+01:00", "rooms": {"r3s - Monheim/Rhein": [{"guid": "3fa52cc3-b39f-5564-bb34-e4ffd8be05a2", "code": "ZNK9M3", "id": 446, "logo": null, "date": "2021-12-28T11:00:00+01:00", "start": "11:00", "end": "2021-12-28T11:40:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-446-namensauflosung-im-internet-ein-neues-geschaftsmodell", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ZNK9M3/", "title": "Namensaufl\u00f6sung im Internet - ein neues Gesch\u00e4ftsmodell?", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "- Techniken der DNS Namensaufl\u00f6sung: Do53, Do53SEC, DoT, DoH, DoQ und ODoH\n- Welche Anbieter agieren auf dem Markt und wie sieht ihr potentielles Gesch\u00e4ftsmodell aus?\n- Welche Auswirkungen haben die verschiedenen Techniken der DNS Namensaufl\u00f6sung", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "KUFZ78", "name": "J\u00f6rg Backschues", "avatar": "https://pretalx.c3voc.de/media/avatars/Jorg-4_0niBJr6.jpg", "biography": "Solution Architect, Themenschwerpunkte DNS & E-Mail, Storage, Mitglied Freifunk-Rheinland e.V.", "public_name": "J\u00f6rg Backschues", "guid": "1fe91c8c-3625-57e4-a738-5dd291b80a3e", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/KUFZ78/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ZNK9M3/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/ZNK9M3/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/ZNK9M3/resources/Namensaufl%C3%B6sung_im_Internet_-_ein_neues_Gesch%C3%A4_PO5t0nP.pdf", "type": "related"}]}, {"guid": "d9160e09-6d66-51be-aefd-bcde0d653f92", "code": "3PFGDX", "id": 876, "logo": null, "date": "2021-12-28T12:00:00+01:00", "start": "12:00", "end": "2021-12-28T12:25:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-876-erklarhaj-machts-nochmal", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/3PFGDX/", "title": "Erkl\u00e4rhaj machts nochmal!", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Erkl\u00e4rhaj erkl\u00e4rt tolle Experimente live auf der B\u00fchne!", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WFVS9W", "name": "erkl\u00e4rhai", "avatar": null, "biography": null, "public_name": "erkl\u00e4rhai", "guid": "4d0127c2-0f84-5ba4-8629-492a0f4768a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/WFVS9W/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/3PFGDX/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/3PFGDX/", "attachments": []}, {"guid": "4f0b23df-c89f-5405-9612-1c133cb19342", "code": "FKXU3J", "id": 269, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/FKXU3J/20200730tk-BSM_autonomer_Bus-009_UEhTwyA.jpg", "date": "2021-12-28T13:00:00+01:00", "start": "13:00", "end": "2021-12-28T14:20:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-269-die-altstadtstromer-autonome-shuttles-in-monheim-am-rhein", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FKXU3J/", "title": "\"Die Altstadtstromer\" - Autonome Shuttles in Monheim am Rhein", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "de", "abstract": "Mit der Linie A01 hat die Bahnen der Stadt Monheim erstmals eine autonome Busflotte im regul\u00e4ren Linienbetrieb und dem \u00f6ffentlichen Verkehrsraum im Einsatz. Im Talk bieten wir Einblicke in die technische Ausstattung der Fahrzeuge, die t\u00e4glichen Herausforderungen, die das Projekt derzeit bew\u00e4ltigen muss sowie einen Ausblick in die Zukunft des autonomen Fahrens im \u00d6PNV.", "description": "Mit der Linie A01 hat die Bahnen der Stadt Monheim erstmals eine autonome Busflotte im regul\u00e4ren Linienbetrieb und dem \u00f6ffentlichen Verkehrsraum im Einsatz. Im Talk bieten wir Einblicke in die technische Ausstattung der Fahrzeuge, die t\u00e4glichen Herausforderungen, die das Projekt derzeit bew\u00e4ltigen muss sowie einen Ausblick in die Zukunft des autonomen Fahrens im \u00d6PNV.", "recording_license": "", "do_not_record": false, "persons": [{"code": "RMDSLA", "name": "Frank Niggemeier-Oliva", "avatar": "https://pretalx.c3voc.de/media/avatars/Frank_Niggemeier-Oliva_2Bv6DTO.jpg", "biography": "Frank Niggemeier-Oliva ist Gesch\u00e4ftsf\u00fchrer bei den Bahnen der Stadt Monheim und verantwortet insbesondere die Digitalisierung des Unternehmens und die Entwicklung hin zu einem modernen Mobilit\u00e4tsdienstleister. Insbesondere die Entwicklung des autonomen Fahrens und der Technologietransfer neuer Antriebsformen sind wesentliche Schwerpunkte in der Unternehmensentwicklung. Zuvor war Herr Niggemeier-Oliva viele Jahre in der Energiebranche t\u00e4tig und hat in nationalen und internationalen Unternehmen unterschiedliche F\u00fchrungspositionen bekleidet.", "public_name": "Frank Niggemeier-Oliva", "guid": "6151015e-d0d4-588d-ab78-9565ad973d91", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/RMDSLA/"}, {"code": "CSEAGR", "name": "Hackerin vom CCC", "avatar": null, "biography": null, "public_name": "Hackerin vom CCC", "guid": "22fd9451-7123-5d16-86b0-c377f20f826b", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/CSEAGR/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FKXU3J/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FKXU3J/", "attachments": []}, {"guid": "900977da-6d11-506c-a803-b144721f6719", "code": "7DSMXP", "id": 347, "logo": null, "date": "2021-12-28T15:00:00+01:00", "start": "15:00", "end": "2021-12-28T15:40:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-347-netzpolitik-in-der-schweiz-zwischen-bodensee-und-matterhorn", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/7DSMXP/", "title": "Netzpolitik in der Schweiz: Zwischen Bodensee und Matterhorn", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Auch im Schatten von Corona ging es in der Schweizer Netzpolitik drunter und dr\u00fcber. Wir blicken mit gewohntem Schalk auf das netzpolitische Jahr 2021 zwischen Bodensee und Matterhorn zur\u00fcck - und diskutieren jene Themen, die relevant waren und relevant bleiben.", "description": "Weiter zeigen wir, was von der [Digitalen Gesellschaft](https://digitale-gesellschaft.ch/) in der Schweiz im neuen Jahr zu erwarten ist.\n\n**Themen sind unter anderem:**\n\n**Elektronische Identifizierung (E-ID):**\u00a0Die netzpolitische Community kann fulminant eine Volksabstimmung gewinnen! Doch wie verl\u00e4uft die Debatte f\u00fcr eine neue E-ID?\n\n\n**Covid-Zertifikat und Contact Tracing**: Massen\u00fcberwachung oder Vorzeigeprojekte? Wie so oft gibt es Graustufen.\n\n\n**meineimpfungen.ch**: Manchmal fehlen die Graustufen auch.\n\n**Justitia.Swiss**: Wenn ohne Gesetz bereits beschafft wird - tut sich auch ein Bundesverwaltungsgericht schwer.\n\n**Netzneutralit\u00e4t**: Geht doch (nach Wink mit dem Zaunpfahl)\n\n**Gesichtserkennung**: Massen\u00fcberwachung im \u00f6ffentlichen Raum - wollen wir nicht.\n\n**Digitale Gesellschaft in der Schweiz:** Winterkongress, neue Fachgruppen und andere Aktivit\u00e4ten.\n\nNach dem Vortrag sind alle interessierten Personen eingeladen, die Diskussion im virtuellen [Hackerspace](https://digitale-gesellschaft.ch/pub/bitwaescherei) fortzusetzen. Es werden Aktivistinnen und Aktivisten von verschiedenen Organisationen der Netzpolitik in der Schweiz anwesend sein.", "recording_license": "", "do_not_record": false, "persons": [{"code": "XRRLAW", "name": "Patrick \"packi\" St\u00e4hlin", "avatar": "https://pretalx.c3voc.de/media/avatars/ab5cd93dbae310cb9f9a666fbbc64083_BLcRxYY.jpg", "biography": "Patrick \"packi\" St\u00e4hlin ist ad-interims Co-Pr\u00e4sident:in der Digitalen Gesellschaft Schweiz. Als ehemaliger Pirat interessiert er sich f\u00fcr Netz- und Sicherheitspolitik.", "public_name": "Patrick \"packi\" St\u00e4hlin", "guid": "0bf9fdf0-59ab-51ba-9974-96bb2cf11423", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/XRRLAW/"}, {"code": "T7CGQ9", "name": "Kire", "avatar": null, "biography": "Kire ist Informatiker und Gesch\u00e4ftsleiter der Digitalen Gesellschaft Schweiz, die er mit initiiert hat. Die 10 Jahre davor hat er sich mit IT-Security besch\u00e4ftigt. Sein Interesse gilt dem Spannungsfeld aus Technologie, Gesellschaft und Recht.", "public_name": "Kire", "guid": "0ac7fff2-ee08-588d-90ab-c44f839a3215", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/T7CGQ9/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/7DSMXP/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/7DSMXP/", "attachments": [{"title": "Slides", "url": "/media/rc3-2021-r3s/submissions/7DSMXP/resources/rc3_2021_v1_pgDfxDo.pdf", "type": "related"}]}, {"guid": "3c5f6844-cdc8-5a1a-a342-d93b43546a82", "code": "QMYGR3", "id": 216, "logo": null, "date": "2021-12-28T16:30:00+01:00", "start": "16:30", "end": "2021-12-28T17:50:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-216-practical-bruteforce-of-military-grade-aes-1024", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QMYGR3/", "title": "Practical bruteforce of military grade AES-1024", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "en", "abstract": "Sony, SanDisk, and Lexar provide encryption software for their USB keys, hard drives, and other storage products. The software is already present when buying a new product and used to keep data on the storage safe. This solution is developed by a 3rd party called ENCSecurity. The security claims of this solution were very strong *i.e.* \"Ultimate encryption using 1024 bit AES keys Military grade\". Our analysis of the DataVault software revealed three serious flaws impacting the security of the DataVault solution. This presentation is a look the flaws we identified along with our process for discovery and how the vulnerabilities were addressed.", "description": "The DataVault solution is a stand-alone application used by default as an encryption solution for many Sony, SanDisk, and Lexar products and as well used by some libraries to offer data security. This solution was not analyzed before, and the strong security claims were not assessed to match the reality. This presentation gives background details of the analysis and the context which brought us to perform the analysis. The method for reverse engineering and inspecting the DataVault solution will be presented. It turned out that the key derivation function was PBKDF2 using 1000 iteration of MD5 to derive the encryption key. The salt used to derive the keys is constant and hardcoded in all the solutions and all the vendors. This makes it easier for an attacker to guess the user password of a vault using time/memory tradeoff attack techniques such as rainbow tables and to re-use the tables to retrieve passwords for all users using the software. The implementation itself was incorrect and even with a randomly generated unique salt, it would be effortless to recover the password of a user. Other flaws of the key derivation function will be discussed and compared with nowadays good practices.\n\nThe data encryption method was also found to be malleable, allowing malicious modifications of files in a vault without any detection. No data integrity mechanism was set up. The settings of the full version of the software allows choosing between 4 different levels of security, namely AES-128, 256, 512 and 1024 bits. The encryption method has been reversed and is a CTR like construction based on AES-128 using a single key. Multiple iterations of encryptions are chained with the keys obtained by the key derivation function used as IVs. However, it turned out after the analysis that all these modes offer only a security level of 128-bit.\n\nA plugin in John the ripper software to allow everyone to \"practically brute force military grade AES-1024\" will be released at the time of the presentation.\n\nWe have a continuous, welcomed, and constructive collaboration with the ENCSecurity company. During this presentation, we will explain the coordinated disclosure process, which was difficult since it impacted several vendors and some deployed libraries. The solution which was provided for the correction will be presented and compared to the best practice standards along with a discussion of the process of selecting the specific improvements.", "recording_license": "", "do_not_record": false, "persons": [{"code": "3WDXD8", "name": "Sylvain Pelissier", "avatar": null, "biography": "Cryptography expert in the research team at Kudelski Security. His favorite topics are Cryptography, Hardware attacks and vulnerability research in general. He worked on security of Cryptography algorithms implementations on different platforms as well as on critical code security audits. He like playing and organizing CTFs.", "public_name": "Sylvain Pelissier", "guid": "ceeacfa8-b1e7-57d5-a758-216b507bc82c", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/3WDXD8/"}, {"code": "YRWM3H", "name": "Boi Sletterink", "avatar": null, "biography": "I'm a defence-oriented IT security freelancer with a keen interest in hacking, cryptography and salsa dancing. My interest in cryptography started when I broke ARJ encryption to play the game my brother tried to keep for himself. With a broad set of IT skills and interests, my work ranges from teaching CISSP preparation courses to development to interim CTO roles.", "public_name": "Boi Sletterink", "guid": "8c6210aa-952e-5369-bb5a-bab02bde6a0f", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/YRWM3H/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QMYGR3/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/QMYGR3/", "attachments": [{"title": "slides", "url": "/media/rc3-2021-r3s/submissions/QMYGR3/resources/Practical_bruteforce_of_AES-1024_military_grad_eMKqvfW.pdf", "type": "related"}]}, {"guid": "3fd1b8af-9ab6-54c5-88ad-2622c1cc925a", "code": "PCTEYP", "id": 193, "logo": null, "date": "2021-12-28T18:30:00+01:00", "start": "18:30", "end": "2021-12-28T19:10:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-193-1-2-why-we-are-addicted-to-lithium-and-how-to-shake-the-habit", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PCTEYP/", "title": "(1/2) Why we are addicted to lithium (... and how to shake the habit)", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "en", "abstract": "Part 1 of \"Why we are addicted to lithium (... and how to shake the habit)\" (this) will give an overview of lithium-ion-battery technology, the history of its development, state of the art, prospects and problems. Part 2 will deal with prospects and solutions, mainly the state of the art of sodium-ion batteries, their prospects and limitations.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "SJZESD", "name": "Frank Wunderlich-Pfeiffer", "avatar": null, "biography": "natrium is a technology journalist, with a focus on spaceflight and energy technology. The name was suggested by another c-base member, because natrium couldn't shut up about sodium-ion-batteries for months on end.", "public_name": "Frank Wunderlich-Pfeiffer", "guid": "708d1094-0c0d-5a69-b47a-8d30c32a53a4", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/SJZESD/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PCTEYP/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PCTEYP/", "attachments": [{"title": "why we are addicted to lithium - R3S-rC3-nowhere", "url": "/media/rc3-2021-r3s/submissions/PCTEYP/resources/whyweareaddictedtolithium_rcWAcVG.pdf", "type": "related"}]}, {"guid": "bc7ff0c4-05bc-56a9-90e3-2ce0b481742f", "code": "NQAQFP", "id": 112, "logo": null, "date": "2021-12-28T20:00:00+01:00", "start": "20:00", "end": "2021-12-28T21:20:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-112-osint-ich-wei-wo-dein-haus-wohnt", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/NQAQFP/", "title": "OSINT: Ich wei\u00df wo dein Haus wohnt", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "de", "abstract": "OSINT ist die Informationsgewinnung aus frei verf\u00fcgbaren Quellen (\"Open Source Intelligence\"). Was genau ist das und warum ist das nicht nur f\u00fcr Geheimdienste und Journalisten n\u00fctzlich? Wie lassen sich kleinste Details ausnutzen, um Ort oder Zeit eines unscheinbaren Fotos zu lokalisieren? Welche Tools und Quellen gibt es, wie lassen sich Informationen \u00fcberpr\u00fcfen, was hat OSINT mit \"OPSEC\" zu tun und worauf sollte man besser achten, wenn man sein Leben im Internet teilt?", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "UYSXKG", "name": "jomo", "avatar": "https://pretalx.c3voc.de/media/avatars/jomo_avatar_lWnvyKC.png", "biography": "Hacker interested in IT security, privacy, OPSEC techniques, OSINT and OpenStreetMap.", "public_name": "jomo", "guid": "3641f204-0a71-55c7-9644-7a71a198ea5d", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/UYSXKG/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/NQAQFP/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/NQAQFP/", "attachments": [{"title": "Folien aus dem Vortrag", "url": "/media/rc3-2021-r3s/submissions/NQAQFP/resources/slides_yjgitRU.pdf", "type": "related"}]}, {"guid": "302ac0fa-cfe0-5a32-9022-bfe5ed6717cc", "code": "TPVWUE", "id": 460, "logo": null, "date": "2021-12-28T21:45:00+01:00", "start": "21:45", "end": "2021-12-28T23:05:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-460-blockchain-102", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TPVWUE/", "title": "Blockchain 102", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "en", "abstract": "By now most people have heard of, and to a degree: understood, the core principles of Bitcoin and proof-of-work based blockchains. But the past few years have brought us a larger universe of related technologies, inhabited by \"crypto\" enthusiasts. This talk will venture beyond the basic Bitcoin blockchain to explain more advanced (and/or simpler) projects, and skeptically evaluate their uses. Spoiler: There Are None.", "description": "I will introduce a number of fascinating and intellectually engaging protocols and concepts, from Decentralized Finance (DeFi) to Self-Sovereign Identities (SSI) to Non-Fungible Tokens (NFT), in a way that is both technically accurate and unflattering.\n\nAs it will turn out, there really is not a single thing that can be solved with a blockchain that cannot better be solved in another way, except maybe for a single worldwide currency with low transaction rates and humongous externalized costs.\n\nStill, the things are out there, draw in extreme amounts of engineering and cryptographical prowess, and provide for interesting (and at times: hilariously funny) case studies.", "recording_license": "", "do_not_record": false, "persons": [{"code": "S3KZ8F", "name": "Henryk Pl\u00f6tz", "avatar": null, "biography": "Born between E.T. and Blade Runner, occasionally hacking and breaking things, computer scientist living in Berlin.\nHe/Him.", "public_name": "Henryk Pl\u00f6tz", "guid": "93097889-420f-546f-a623-d9593bd81725", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/S3KZ8F/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TPVWUE/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/TPVWUE/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/TPVWUE/resources/2021-12-28_Blockchain_102_hdVOxOg.pdf", "type": "related"}]}, {"guid": "38ce18da-011b-52fe-97ae-4a9646ef7116", "code": "UGWZUQ", "id": 48291, "logo": null, "date": "2021-12-28T23:30:00+01:00", "start": "23:30", "end": "2021-12-28T23:50:00+01:00", "duration": "00:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-48291-r3s-lesenacht-szenische-lesung-mit-madonius", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UGWZUQ/", "title": "R3S Lesenacht - Szenische Lesung mit Madonius", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "en", "abstract": "Madonius lie\u00dft live mehrere, teils weltber\u00fchmte, St\u00fccke auf der R3S B\u00fchne.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "X9UBW3", "name": "madonius", "avatar": null, "biography": null, "public_name": "madonius", "guid": "089cac5f-21c5-55e5-b80d-9b2efa911f8a", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/X9UBW3/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UGWZUQ/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/UGWZUQ/", "attachments": []}]}}, {"index": 3, "date": "2021-12-29", "day_start": "2021-12-29T04:00:00+01:00", "day_end": "2021-12-30T03:59:00+01:00", "rooms": {"r3s - Monheim/Rhein": [{"guid": "8cd89534-15e3-5abc-9b3a-b107782b81cd", "code": "AMTZNL", "id": 121, "logo": null, "date": "2021-12-29T11:00:00+01:00", "start": "11:00", "end": "2021-12-29T12:20:00+01:00", "duration": "01:20", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-121-digitale-souveranitat-nur-mit-freier-software", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AMTZNL/", "title": "Digitale Souver\u00e4nit\u00e4t nur mit Freier Software!", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 60 min + 20 min Q&A", "language": "de", "abstract": "Dargelegt wird, dass und warum \"digitale Souver\u00e4nit\u00e4t\" nur mit Freier Software erreicht werden kann.", "description": "\"Digitale Souver\u00e4nit\u00e4t\" ist in Politik und Verwaltung \"in aller Munde\".\n\nZun\u00e4chst erfolgt eine Bestimmung, was \"digitale Souver\u00e4nit\u00e4t\" sein kann, Dabei wird herausgestellt, dass dieser Begriff durchaus Kollaboration und Altruismus nicht ausschlie\u00dft. Er wird von Autarkie und Egoismus abgegrenzt.\n\nKurz wird dann beschrieben, was \"Freie Software\" ist, um Im Hauptteil zu erl\u00e4utern, dass und warum der Einsatz \"Freier Software\" eine notwendige Bedingung zur Erlangung \"digitaler Souver\u00e4nit\u00e4t\" ist.", "recording_license": "", "do_not_record": false, "persons": [{"code": "XKYRC3", "name": "Dr. Michael Stehmann", "avatar": null, "biography": "Rechtsanwalt, Vorsitzender Freie Software Freunde e. V., Autor Freier Software\n\nS. a. https://rechtsanwalt-stehmann.de/it.html (muss noch aktualisiert werden)\n\nBin auch bereit, mein Gesicht zu zeigen.", "public_name": "Dr. Michael Stehmann", "guid": "c85d8bf8-4df9-5850-ad2e-02f8624996c8", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/XKYRC3/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AMTZNL/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/AMTZNL/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/AMTZNL/resources/Digitale_Souveraenitaet-2021_1_1MwoPlt.pdf", "type": "related"}]}, {"guid": "2ba7b756-fcfd-5dfe-bccc-4a89cd08f8e9", "code": "PSEWJU", "id": 491, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/PSEWJU/koala-kid_W44dClG.png", "date": "2021-12-29T13:00:00+01:00", "start": "13:00", "end": "2021-12-29T13:40:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-491-koalitionsvertragsanalyse-mit-tools-methoden-dem-ampel-vertrag-auf-den-zahn-fuhlen", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PSEWJU/", "title": "KOALitionsvertragsAnalyse: Mit Tools & Methoden dem Ampel-Vertrag auf den Zahn f\u00fchlen.", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Der aktuelle Ampel-Koalitionsvertrag (KV) im Bund umfasst ~52k W\u00f6rter in 3392 S\u00e4tzen und 947 Abs\u00e4tzen. Strukturiert in 9 Kapitel, 22 Abschnitte und 200 Themen. Ausgeliefert aktuell  auf 177 DIN A4-Seiten. Mit unterschiedlichen Textanalysen wird der Vertrag selber nach unterschiedlichen Sichtweisen untersucht.", "description": "Vier Sichtweisen auf den Koalitionsvertrag (KV):\n---\n\n1. KV als Sourcecode ... \n2. KV als Objekt-Modell ...\n3. KV als Spezifikation ...\n4. KV als Literatur ...\n\n\nMotivation:\n---\n\n- Spa\u00df an Sourcecode (lesen, schreiben, analysieren)\n- Zusammenh\u00e4nge erkennen (Big Pictures, TreeMaps, erstaunliche Text-Visuals)\n- \u00dcberraschungen entdecken\n- Vergleiche anstellen.\n\nSlides: \n---\nhttps://mypub4u.gitlab.io/koalas/", "recording_license": "", "do_not_record": false, "persons": [{"code": "BBVKYA", "name": "CodeFreezR", "avatar": "https://pretalx.c3voc.de/media/avatars/531745_162046010586570_488675061_n_AVqmR9t.jpg", "biography": "Enterprise Engineer & MultiCloud DevOpsian mit Hang zur System-Architektur und nem Hau KM & RM inside SAFe.\nW\u00fcrde sagen w\u00e4re so eine Art \"Red-Shirt Guy\" aka Faktenchecker mit Dwemer-Wurzeln, vormals Eisenschmiede. Fediverse: [@CodeFreezR@chaos.social](https://chaos.social/@CodeFreezR)", "public_name": "CodeFreezR", "guid": "b23a16b7-7073-5d69-b60f-a99c33e47f9b", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/BBVKYA/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PSEWJU/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/PSEWJU/", "attachments": []}, {"guid": "4cf9c120-1bc2-53cf-bf74-8bd1c16b4dcc", "code": "YP7NMD", "id": 872, "logo": null, "date": "2021-12-29T14:15:00+01:00", "start": "14:15", "end": "2021-12-29T14:55:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-872-state-of-the-accessibility", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YP7NMD/", "title": "State of the accessibility", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Wie steht es eigentlich gerade um die Barrierefreiheit im Cyberspace und was k\u00f6nnt ihr tun, um das Web excellenter f\u00fcr alle zu machen?", "description": "Dieser Talk wird eine grobe \u00dcbersicht dar\u00fcber geben, wie es gerade um die Barrierefreiheit im Web steht. Der Talk wird sich verschiedene Webseiten ansehen und auf Barrieren aufmerksam machen. Dabei wird es sowohl Alltagstipps f\u00fcr normale Endnutzer_innen als auch tiefgreifendere Hintergr\u00fcnde und Tools f\u00fcr Designer und Developer geben.", "recording_license": "", "do_not_record": false, "persons": [{"code": "FMTJSV", "name": "betalars", "avatar": "https://pretalx.c3voc.de/media/avatars/minimal_vector_landscape1_MVPIS8w.png", "biography": "Autistishcer 3D-Artist und Developer mit Spezialinteresse f\u00fcr Accessability, Creative Commons, FOSS und Blender.", "public_name": "betalars", "guid": "2146b6a3-35c0-57a0-b18e-daa565868485", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/FMTJSV/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YP7NMD/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YP7NMD/", "attachments": [{"title": "The presentation as pdf", "url": "/media/rc3-2021-r3s/submissions/YP7NMD/resources/State_of_the_Accessibility_public_4y8dsMJ.pdf", "type": "related"}]}, {"guid": "24fb6982-bebf-58ac-963e-4846eb368725", "code": "YQHRQ9", "id": 293, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/YQHRQ9/Jana_Pahlk%C3%B6tter_Transparenz_durch_offene_Verwaltungsdat_VDFiV8g.jpeg", "date": "2021-12-29T15:30:00+01:00", "start": "15:30", "end": "2021-12-29T16:10:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-293-transparenz-durch-offene-verwaltungsdaten-gestalten", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YQHRQ9/", "title": "Transparenz durch offene Verwaltungsdaten gestalten", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Wenn es um das Thema offene Verwaltungsdaten geht, wird von Vertreter:innen stattlicher Institutionen h\u00e4ufig Transparenz versprochen. **Wie kann dieses Versprechen eingel\u00f6st werden und Transparenz durch offene Verwaltungsdaten nachhaltig gestaltet und umgesetzt werden?**", "description": "Wenn es um das Thema offene Verwaltungsdaten geht, wird im gleichen Zug h\u00e4ufig der Begriff Transparenz genannt. Transparenz wird von B\u00fcrger:innen gefordert und von Vertreter:innen stattlicher Institutionen versprochen. Doch kann dieses Versprechen eingel\u00f6st werden? Wie k\u00f6nnen wir Transparenz durch offene Verwaltungsdaten nachhaltig schaffen und umsetzen? Die Antwort liegt nicht in oberfl\u00e4chlichen und konventionelle L\u00f6sungen \u2013 stattdessen brauchen wir eine tiefe Auseinandersetzung mit den Systemen der Verwaltung und Politik.\n\nDer Vortrag zeigt erl\u00e4utert die aktuelle Problematik anhand von Beispielen auf theoretischer Ebene und zeigt L\u00f6sungsans\u00e4tze f\u00fcr die Umsetzung von Transparenz durch offene Verwaltungsdaten auf.", "recording_license": "", "do_not_record": false, "persons": [{"code": "CCKLCH", "name": "Jana Pahlk\u00f6tter", "avatar": "https://pretalx.c3voc.de/media/avatars/DSC_1312_bearbeitet_4_Quadrat_n1hHvOo.jpg", "biography": "UX, Public Interest & Kommunikationsdesignerin\n\nJana Pahlk\u00f6tter absolvierte ihren Bachelor in Kommunikationsdesign an der FH Aachen und schloss ihr Masterstudium im Fach Public Interest Design an der Bergischen Universit\u00e4t Wuppertal ab. Sie arbeitete u.a. als UX Designerin und in Open Source Projekten. Zur Zeit ist Jana Pahlk\u00f6tter im Bereich Digitalisierung der \u00f6ffentlichen Verwaltung t\u00e4tig.\n\nTwitter: [@JanaGreen](https://mobile.twitter.com/JanaGreen)", "public_name": "Jana Pahlk\u00f6tter", "guid": "f0c71fc3-4f0d-505b-bf22-ffd6a71eee2b", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/CCKLCH/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YQHRQ9/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/YQHRQ9/", "attachments": []}, {"guid": "615fe71a-b2fd-53a6-8f88-2be3ab924335", "code": "EAPB8B", "id": 310, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/EAPB8B/lvr-ff_Sj3d08G.jpg", "date": "2021-12-29T16:45:00+01:00", "start": "16:45", "end": "2021-12-29T17:25:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-310-stell-dir-vor-du-bist-auen-vor-digitale-teilhabe-ermoglichen-mit-freifunk", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/EAPB8B/", "title": "Stell dir vor, du bist au\u00dfen vor - digitale Teilhabe erm\u00f6glichen mit Freifunk", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "2700 Wohnpl\u00e4tze, 120 Standorte, nicht Gewinnorientiert, dezentral - wie bekommt man da verl\u00e4ssliche digitale Teilhabe f\u00fcr Menschen mit kognitiven Einschr\u00e4nkungen hin - und warum geht das so richtig gut mit Freifunk", "description": "Ehrenamtliches Engagement trifft auf SLA-hungrige Unternehmen - wie bekommt man das in einem Gro\u00dfprojekt hin - und warum macht man das eigentlich?\nThemen:\n- Digitale Teilhabe - was, wenn ich das nicht kann - sowohl kognitiv, monet\u00e4r und technisch\n- SLA - wenn die IT-Abteilung da gerne was h\u00e4tte\n- Freifunk - eben nicht der Hotspot-Anbieter\n- Lessons learned - in den Bereichen Technik, Unternehmen, Projekte", "recording_license": "", "do_not_record": false, "persons": [{"code": "HWNAAP", "name": "J\u00fcrgen Wintermantel-Menze", "avatar": "https://pretalx.c3voc.de/media/avatars/Wintermantel-Menze_J%C3%BCrgen_QdLqInP.jpg", "biography": "Gro\u00df geworden mit C64, fr\u00fch Linux-addicted, IT zum Beruf gemacht (LVR-Verbund HPH, Sachgebietsleitung IT), Freifunk-Fan", "public_name": "J\u00fcrgen Wintermantel-Menze", "guid": "19f496bd-2eb7-54d4-85b4-625d05b02eae", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/HWNAAP/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/EAPB8B/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/EAPB8B/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/EAPB8B/resources/rC3_digitale_Teilhabe_V4PU9My.pdf", "type": "related"}]}, {"guid": "818fee91-cfb1-5574-80ae-5ddeb98b3147", "code": "CDTNBC", "id": 875, "logo": null, "date": "2021-12-29T17:30:00+01:00", "start": "17:30", "end": "2021-12-29T18:15:00+01:00", "duration": "00:45", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-875-erklarhaj-machts-schon-wieder", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/CDTNBC/", "title": "Erkl\u00e4rhaj machts schon wieder!", "subtitle": "", "track": "R3S local fun", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Erkl\u00e4rhaj erkl\u00e4rt tolle Experimente live auf der B\u00fchne!", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "WFVS9W", "name": "erkl\u00e4rhai", "avatar": null, "biography": null, "public_name": "erkl\u00e4rhai", "guid": "4d0127c2-0f84-5ba4-8629-492a0f4768a3", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/WFVS9W/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/CDTNBC/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/CDTNBC/", "attachments": []}, {"guid": "6b29dd7c-e899-581d-bba7-55083f72e7c9", "code": "JUFR97", "id": 213, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/JUFR97/axiom_beta_shot_overlay_lYBDuIx.jpg", "date": "2021-12-29T18:30:00+01:00", "start": "18:30", "end": "2021-12-29T19:10:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-213-einblicke-in-die-entwicklung-einer-open-source-kinofilm-kamera", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/JUFR97/", "title": "Einblicke in die Entwicklung einer Open Source Kinofilm Kamera", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "de", "abstract": "Wir schreiben das Jahr 2001.\nBis jetzt war klar: praktisch alles was im Kino projiziert wurde und wird, ist auf analogem 35mm Zelluloid gedreht. Ein chemisches Tr\u00e4germaterial das sich bei Kontakt mit Licht ver\u00e4ndert.\nDoch es herrscht Aufbruchstimmung, immer mehr Kinos r\u00fcsten auf digitale Projektion um und die Nachbearbeitung - die Postproduktion -  der Filme wird schon l\u00e4nger zu gro\u00dfen Anteilen digital abgewickelt. Der erste komplett computeranimierte Spielfilm - Toy Story - ist mittlerweile 6 Jahre alt. Robert Rodriguez mit \"Once Upon a Time in Mexico\" und George Lucas \"Star Wars Episode II\" sind die ersten gro\u00dfen Filme die mit einer adaptierten Fernsehkamera in High-Definition und 24 Bildern pro Sekunde komplett digital gedreht werden. Zu diesem Zeitpunkt ist die digitale Kino-Kamera-Technik noch in den Kinderschuhen und nicht jeder ist mit dem Ergebnis zufrieden - das Kino hat sich Jahrzehnte als anspruchsvoller und wertvoller wahrgenommen als Fernsehen und einen gro\u00dfen Anteil daran hatte eben die Kinofilm \u00c4sthetik - das Flimmern, die Filmk\u00f6rnung und die Tiefenunsch\u00e4rfe - jetzt die \"billig anmutende\" Fernseh\u00e4sthetik ins Kino bringen? Doch der Wandel war nicht mehr aufzuhalten.\n5 Jahre sp\u00e4ter im Jahr 2006 gibt es immer noch keine \"echte\" Kino Kamera, schon gar nicht f\u00fcr Indie Filmemacher. Doch mittlerweile haben viele das Potential erkannt und begonnen L\u00f6sungen zu entwickeln wie zum Beispiel \"optische Adapter\" die ein projiziertes Bild von einer halbtransparenten Mattscheibe mit einem Camcorder abfilmen und damit sozusagen Kino\u00e4sthetik f\u00fcr Arme m\u00f6glich machte. Ein niederl\u00e4ndischer Filmemacher wurde auf eine Online-Diskussion in einem Video-Forum aufmerksam in dem die Idee diskutiert wurde eine Elphel Kamera f\u00fcrs Filmemachen zu adaptieren. Elphels Kameras waren f\u00fcr wissenschaftliche und industrielle Anwendungen gedacht aber Open-Source und Open-Hardware und damit m\u00f6glicherweise gut adaptierbar.\nDieser Moment markiert den Beginn des AXIOM Projekts wie wir es heute kennen, auch wenn es damals noch keinen Namen hatte und nur aus einer Handvoll Menschen bestand die sich in einem Online-Forum austauschen und begannen gemeinsam daran zu arbeiten die Elphel Kamera zu ver\u00e4ndern und zu erweitern. Dieser Talk erz\u00e4hlt die weiteren Kapitel der Entwicklungsreise bis zum heutigen Tag.", "description": "In den Folgejahren dr\u00e4ngen viele neue Firmen die Filmkameras entwickeln auf den Markt um die L\u00fccke zwischen Angebot und Nachfrage zu schlie\u00dfen. Pl\u00f6tzlich gibt es starke Konkurrenz. Davor gab es eine Handvoll 35mm Kameras auf jedem Kontinent, und diese wurden von einem Projekt zum n\u00e4chsten weitergereicht - niemand der Filme machte konnte sich leisten eine Kamera zu besitzen - es war klar, dass man sie f\u00fcr die Projektdauer mietet. Das \u00e4ndert sich jetzt und f\u00fchrt zur paradoxen Situation, dass Produkte trotz technischen Fortschritts unzug\u00e4nglicher werden: Hersteller schotten ihre Entwicklungen zur Sicherung ihres Wettbewerbsvorteils ab. Digitale Kameras werden zu Blackboxen mit propriet\u00e4ren Bildverarbeitungs-Magie, undurchsichtige Werkzeuge die niemand selbst reparieren kann oder darf, die dank Vendor-Lock-In nur mehr mit Produkten der eigenen Firma kompatibel sind.\nAXIOM entwickelt sich zum radikalen Gegenpol dieser Str\u00f6mung indem alles Entwickelte unter Open Source und freier Hardware Lizenzen ver\u00f6ffentlicht wird. Ein Jahrzehnt sp\u00e4ter ist die Anzahl der Hersteller weiter gewachsen, die Technologie reifer geworden, doch an der Unzug\u00e4nglichkeit hat sich wenig ver\u00e4ndert. Die Mission des AXIOM Projekts bleibt so relevant wie am ersten Tag.", "recording_license": "", "do_not_record": false, "persons": [{"code": "E9XSTT", "name": "Sebastian Pichelhofer", "avatar": "https://pretalx.c3voc.de/media/avatars/sebastian_pichelhofer_fAK6AHS.jpg", "biography": "apertus\u00b0 project lead, camera developer, film-maker", "public_name": "Sebastian Pichelhofer", "guid": "39980c12-7ea8-5e8b-ad0c-08d107954a1d", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/E9XSTT/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/JUFR97/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/JUFR97/", "attachments": [{"title": "Preview Slides", "url": "/media/rc3-2021-r3s/submissions/JUFR97/resources/CCC_2021_Preview_Slides_m2g3GhU.pdf", "type": "related"}]}, {"guid": "eb397326-c57d-5974-86a0-6c1fba02d531", "code": "FTPACX", "id": 473, "logo": null, "date": "2021-12-29T19:30:00+01:00", "start": "19:30", "end": "2021-12-29T19:55:00+01:00", "duration": "00:25", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-473-hacking-on-risc-v-and-operating-systems", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FTPACX/", "title": "Hacking on RISC-V and Operating Systems", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Nach etwas mehr als zehn Jahren Entwicklungszeit der [Befehlssatzarchitektur](\nhttps://en.wikipedia.org/wiki/RISC-V) sind mittlerweile die ersten g\u00fcnstigen\n[RISC-V Einplatinenrechner](https://riscv.org/exchange/boards/) verf\u00fcgbar. Was\nman damit bereits machen kann, wie man dort [Linux](https://kernel.org/) und\nandere Betriebssysteme ans Laufen bringt durch modernen Code in der\n[Programmiersprache Rust](https://www.rust-lang.org/) und welche spannenden\nProjekte drum herum entstanden sind, skizziert dieser Kurzvortrag.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "TJDR8S", "name": "Daniel Maslowski", "avatar": "https://pretalx.c3voc.de/media/avatars/7013454308a11dd3c401d5d9f403bdc3_j1JNCZD.jpg", "biography": "I like giving talks and workshops.\n\nIn my free time, I work on free and open source software, especially operating systems and distributions, bringup and application firmware, tooling, integration, and documentation.", "public_name": "Daniel Maslowski", "guid": "c21fc039-7e1e-5c2c-b20f-7836f2462c57", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/TJDR8S/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FTPACX/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/FTPACX/", "attachments": [{"title": "Slides", "url": "/media/rc3-2021-r3s/submissions/FTPACX/resources/slides_e5MiP9f.pdf", "type": "related"}]}, {"guid": "e46c216e-40bc-50da-8ee9-b62af78abfcb", "code": "E7BXBC", "id": 441, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/E7BXBC/t30-trace-edited_color_5U25jqs.png", "date": "2021-12-29T20:30:00+01:00", "start": "20:30", "end": "2021-12-29T20:42:00+01:00", "duration": "00:12", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-441-eine-kurze-einfuhrung-in-die-signalisierung-von-gruppe-3-fernkopierer", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E7BXBC/", "title": "Eine kurze Einf\u00fchrung in die Signalisierung von Gruppe 3 Fernkopierer", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Lightning Talk 15 min + 10 min Q&A", "language": "de", "abstract": "Dieser Vortrag geht prim\u00e4r auf die ITU-T T.30 Norm ein und wie sie von Faxger\u00e4ten gesprochen wird.", "description": "Fernkopieren ist einer der umstrittensten Aspekte der Digitalisierung. Besonders in der heutigen Zeit in der es beispielsweise eine Anti-Faxer Bewegung gibt ist es meiner Meinung nach wichtig aufzukl\u00e4ren um somit eine Grundlage f\u00fcr eine Diskussion in unserer Gesellschaft zu legen.", "recording_license": "", "do_not_record": false, "persons": [{"code": "JVRP8M", "name": "Christian Berger", "avatar": null, "biography": "Ein Nachrichtentechnikingenieur aus Leidenschaft der sich besonders f\u00fcr \u00e4ltere Technologien und Protokollarch\u00e4ologie interessiert.", "public_name": "Christian Berger", "guid": "2200af45-33a6-5100-a702-9b099885b963", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/JVRP8M/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E7BXBC/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/E7BXBC/", "attachments": [{"title": "Beispielfax", "url": "/media/rc3-2021-r3s/submissions/E7BXBC/resources/fax_8000_TtIDAGV.wav", "type": "related"}, {"title": "T30 Protokoll", "url": "/media/rc3-2021-r3s/submissions/E7BXBC/resources/t30-trace-edited_color_FWYrZms.png", "type": "related"}, {"title": "Bits einer Signalisierungs\u00fcbertragung mit demodulierter Wellenform", "url": "/media/rc3-2021-r3s/submissions/E7BXBC/resources/waveform_black_I9CM6Yb.png", "type": "related"}, {"title": "PCAP einer T38 Fax\u00fcbertragung", "url": "/media/rc3-2021-r3s/submissions/E7BXBC/resources/wVHgOay6lZwAHLSsmbLH7Axt-yKH8EJr_CUKuBXp.pcap", "type": "related"}, {"title": "Transskript", "url": "/media/rc3-2021-r3s/submissions/E7BXBC/resources/Eine_kurze_Einf%C3%BChrung_in_die_Signalisierung_vo_miggNie.pdf", "type": "related"}]}, {"guid": "17816a45-eea7-5b85-b623-5f343aec59de", "code": "LL7FFE", "id": 194, "logo": null, "date": "2021-12-29T21:25:00+01:00", "start": "21:25", "end": "2021-12-29T22:05:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-194-2-2-why-we-are-addicted-to-lithium-and-how-to-shake-the-habit", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/LL7FFE/", "title": "(2/2) (Why we are addicted to lithium) ... and how to shake the habit", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "en", "abstract": "Part 1 of \"Why we are addicted to lithium (... and how to shake the habit)\" will give an overview of lithium-ion-battery technology, the history of its development, state of the art, prospects and problems. Part 2 (this) will deal with prospects and solutions, mainly the state of the art of sodium-ion batteries, their prospects and limitations.", "description": "", "recording_license": "", "do_not_record": false, "persons": [{"code": "SJZESD", "name": "Frank Wunderlich-Pfeiffer", "avatar": null, "biography": "natrium is a technology journalist, with a focus on spaceflight and energy technology. The name was suggested by another c-base member, because natrium couldn't shut up about sodium-ion-batteries for months on end.", "public_name": "Frank Wunderlich-Pfeiffer", "guid": "708d1094-0c0d-5a69-b47a-8d30c32a53a4", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/SJZESD/"}], "links": [], "feedback_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/LL7FFE/feedback/", "origin_url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/LL7FFE/", "attachments": [{"title": "Vortragsfolien", "url": "/media/rc3-2021-r3s/submissions/LL7FFE/resources/pr%C3%A4sentation-akku-natrium_0wjWO84.pdf", "type": "related"}]}, {"guid": "461a9533-b4ec-550b-8233-bd8e3121935b", "code": "VCR8VM", "id": 486, "logo": "https://pretalx.c3voc.de/media/rc3-2021-r3s/submissions/VCR8VM/usb_ecg_brighter_lFHxgT9.png", "date": "2021-12-29T22:45:00+01:00", "start": "22:45", "end": "2021-12-29T23:25:00+01:00", "duration": "00:40", "room": "r3s - Monheim/Rhein", "slug": "rc3-2021-r3s-486-the-card10-badge-two-years-of-evolution", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/talk/VCR8VM/", "title": "The card10 badge: Two years of evolution", "subtitle": "", "track": "r3s - RemoteRheinRuhr Talk", "type": "Talk 30 min + 10 min Q&A", "language": "en", "abstract": "The heart of the card10 badge is still beating strong! Let's see what happened in the last two years.", "description": "Fond are the memories of the Chaos Communication Camp 2019. If you attended, you most likely took with you a little wrist-mounted bio-sensor enabled hackable smart \"watch\" - the [card10 badge](https://card10.badge.events.ccc.de). It's like a time capsule from a better world.\n\nWhile the hardware was set in stone back then, the [firmware](https://firmware.card10.badge.events.ccc.de) was absolutely not. Over time, it learned many new [tricks](https://git.card10.badge.events.ccc.de/card10/firmware/-/blob/master/CHANGELOG.md); we will show the cool things that happened since you last updated your firmware.  And invite you to ~~resuscitate~~ reboot your card10 badge with more features, better Bluetooth, cleaner graphics and better sensor support than what you last remembered.\n\nAlongside the talk we plan to host self organized sessions with workshops to help you make the most of this little gem. Maybe you don't need another smart watch? How about a BLE connected indoor climate sensor, connected to your Raspberry PI, serving it directly to your phone? Stay tuned.\n\n- https://card10.badge.events.ccc.de\n- https://firmware.card10.badge.events.ccc.de\n- https://git.card10.badge.events.ccc.de/card10/firmware/-/blob/master/CHANGELOG.md", "recording_license": "", "do_not_record": false, "persons": [{"code": "XUSLJP", "name": "schneider", "avatar": "https://pretalx.c3voc.de/media/avatars/icon-crop_nFy5FTk.jpg", "biography": "You might know me for the r0ket, rad1o and card10 badges, as well as working on reversing the Iridium satellite network.\n\nhttps://twitter.com/schne1der_", "public_name": "schneider", "guid": "c47be16a-8ac0-5ff0-ab05-40c4400b5bb6", "url": "https://pretalx.c3voc.de/rc3-2021-r3s/speaker/XUSLJP/"}, {"code": "TETX3S", "name": "rahix", "avatar": "https://pretalx.c3voc.de/media/avatars/TETX3S_3Sobs3q.png", "biography": "Loves everything close to the metal.  card10 firmware hacker.  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