Notes on AI, crypto, and privacy.https://rusty-rosary.pages.dev/https://rusty-rosary.pages.dev/posts/metadata-is-the-message/https://rusty-rosary.pages.dev/posts/metadata-is-the-message/Encrypting the body was the easy part. Who, when, how often — that was always the point.Wed, 02 Sep 2026 00:00:00 GMTprivacyhttps://rusty-rosary.pages.dev/posts/what-a-model-remembers/https://rusty-rosary.pages.dev/posts/what-a-model-remembers/Weights are not a database, but they are not nothing either. A field guide to extraction.Mon, 24 Aug 2026 00:00:00 GMTaihttps://rusty-rosary.pages.dev/posts/running-a-node-behind-a-hostile-isp/https://rusty-rosary.pages.dev/posts/running-a-node-behind-a-hostile-isp/Deep packet inspection, throttling, and the cheap tricks that still work.Tue, 11 Aug 2026 00:00:00 GMTcryptohttps://rusty-rosary.pages.dev/posts/zero-knowledge-in-plain-language/https://rusty-rosary.pages.dev/posts/zero-knowledge-in-plain-language/A proof convinces you of something without telling you why it's true.Wed, 29 Jul 2026 00:00:00 GMTprivacyhttps://rusty-rosary.pages.dev/posts/local-models-and-the-end-of-the-api-tax/https://rusty-rosary.pages.dev/posts/local-models-and-the-end-of-the-api-tax/The cost curve bent, and a class of application stopped needing anyone's permission.Tue, 14 Jul 2026 00:00:00 GMTaihttps://rusty-rosary.pages.dev/posts/coinjoin-is-not-a-crime/https://rusty-rosary.pages.dev/posts/coinjoin-is-not-a-crime/Fungibility is a property of money, not a loophole in it.Tue, 30 Jun 2026 00:00:00 GMTcryptohttps://rusty-rosary.pages.dev/posts/threat-models-for-ordinary-people/https://rusty-rosary.pages.dev/posts/threat-models-for-ordinary-people/Most advice is written for a journalist in a hostile country. You are probably not that.Sun, 03 May 2026 00:00:00 GMTprivacyhttps://rusty-rosary.pages.dev/posts/the-seed-phrase-is-the-weakest-link/https://rusty-rosary.pages.dev/posts/the-seed-phrase-is-the-weakest-link/Twelve words that survive fire, flood, divorce, and your own memory. Pick two.Fri, 19 Dec 2025 00:00:00 GMTcryptohttps://rusty-rosary.pages.dev/posts/why-alignment-is-a-privacy-problem/https://rusty-rosary.pages.dev/posts/why-alignment-is-a-privacy-problem/A system that must understand you in order to help you has already collected you.Sun, 02 Nov 2025 00:00:00 GMTaihttps://rusty-rosary.pages.dev/posts/tor-in-2025-a-status-report/https://rusty-rosary.pages.dev/posts/tor-in-2025-a-status-report/Slower than it was, healthier than you would guess, and still the only thing of its kind.Wed, 08 Oct 2025 00:00:00 GMTprivacy