https://peertube.err404.numericore.com/about/instance/homehttps://peertube.err404.numericore.com/videos/browse?scope=localhttps://peertube.err404.numericore.com/w/6MUCuBfa69cMwdVg9u4oQYhttps://peertube.err404.numericore.com/lazy-static/thumbnails/fe6ab02c-c760-4081-82c9-f684dc4ab5cb.jpg31c3-5930-en-de-Funky_File_Formats_hd31c3-5930-en-de-Funky_File_Formats_hdhttps://peertube.err404.numericore.com/static/streaming-playlists/hls/2ee698ca-b34b-4b04-afd0-8a97368983a8/950a3c54-db08-49d9-a4a6-881ee0d91341-master.m3u8https://peertube.err404.numericore.com/videos/embed/6MUCuBfa69cMwdVg9u4oQY3072082026-01-30T12:43:05.301ZYESmiscNOhttps://peertube.err404.numericore.com/w/kdzxNFdcLF6yBWjPtzcDPwhttps://peertube.err404.numericore.com/lazy-static/thumbnails/c9dfbaa9-8a0b-4bd7-bee1-f243c16aed55.jpgWhy do I have 2 passwords? How to talk about encryption in Matrixhttps://media.ccc.de/v/matrix-conf-2025-72671-why-do-i-have-2-passwords-how-to-talk-about-encryption-in-matrix Most modern software applications give total trust to the service provider. End-to-end encrypted (E2EE) services are different: the service provider is a gateway, and the real trust is with other people. This is unfamiliar, and can make using E2EE confusing. When you add in federation (meaning lots of different service providers) and a diverse set of client apps, trying to make Matrix's encryption understandable is tricky. It would help to have a shared set of words and definitions. In this talk I describe MSC4161, which attempts to establish a shared vocabulary, and then my own thoughts about some metaphors we can use to make these ideas easier to grasp. End-to-end encryption (E2EE) is unfamiliar to people used to using modern applications: instead of handing over total trust to the server you connect to, E2EE makes the server a simple connector, and we only have to trust the people we are actually talking to. It is quite common for people using Matrix to ask "Why do I have 2 passwords?", referring to the username and password for logging in, and the recovery key. I recently made a leap of understanding about this question: the reason is that there are two audiences: the password is for your homeserver, and the recovery key is for allowing you to talk to other people. I began working on MSC4161 ("Crypto terminology for non-technical users") because I believed we needed to standardise our vocabulary, but it quickly became clear that we need to do more than that: if we want to make Matrix easy to use, we need to agree on: - what the main ideas are, - what words we use to describe them, and - what metaphors we use to explain. In its current form, the MSC focusses on the first two. In this talk, I will summarise the ideas and words that are reasonably settled in the MSC and will hopefully make their way into the spec, and I will...https://peertube.err404.numericore.com/static/streaming-playlists/hls/9b9f3c14-a40d-4f5e-949a-2af4c8804660/8b1b0fbd-8574-404a-8aef-a2cfc4c80c08-master.m3u8https://peertube.err404.numericore.com/videos/embed/kdzxNFdcLF6yBWjPtzcDPw3016062026-02-12T12:51:22.461Z2025Alan TuringAndy BalaamSecurity & Encryptionmatrix-conf-2025YESmiscNOhttps://peertube.err404.numericore.com/w/8FNSnBU1w38cGDQBXdTK5chttps://peertube.err404.numericore.com/lazy-static/thumbnails/e8967e39-768c-472f-a342-b0f0a381c236.jpgVID_20260308_rue de tolbiacVID_20260308_rue de tolbiachttps://peertube.err404.numericore.com/static/streaming-playlists/hls/3e3edc83-d3f9-44d3-abe9-3734d3c639d7/2e896a0d-2cd1-4c7a-b3e2-5e1cde82b867-master.m3u8https://peertube.err404.numericore.com/videos/embed/8FNSnBU1w38cGDQBXdTK5c1890162026-03-17T22:03:50.117ZrollersparisYESmiscNOhttps://peertube.err404.numericore.com/w/q8APq6HvDD5JVhETU99bsGhttps://peertube.err404.numericore.com/lazy-static/thumbnails/5df15a36-26ea-4506-928b-4c15ce9d2ab9.jpgVID_20260405_153656VID_20260405_153656https://peertube.err404.numericore.com/static/streaming-playlists/hls/c36afdc4-a3a9-4692-a865-a788ea129f74/9f058a18-a1c7-4d88-9552-752a7d8bed97-master.m3u8https://peertube.err404.numericore.com/videos/embed/q8APq6HvDD5JVhETU99bsG26082026-04-05T22:13:01.691ZYESmiscNOhttps://peertube.err404.numericore.com/c/misc/videoshttps://peertube.err404.numericore.com/a/err404/video-channels