<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Sam Schlesinger</title><description>Cryptography, formalization, and the mathematics of freedom.</description><link>https://samuelschlesinger.com/</link><language>en-us</language><item><title>Freedom as a Protocol Property</title><link>https://samuelschlesinger.com/writing/freedom-as-a-protocol-property/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/freedom-as-a-protocol-property/</guid><description>A meditation on privacy, accountability, and why freedom should be designed as a protocol invariant.</description><pubDate>Thu, 30 Apr 2026 00:00:00 GMT</pubDate><category>cryptography</category><category>privacy</category><category>systems</category></item><item><title>The Birthday Paradox</title><link>https://samuelschlesinger.com/writing/birthday-paradox/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/birthday-paradox/</guid><description>Why twenty-three people are enough, and what that means for hash function security.</description><pubDate>Wed, 29 Apr 2026 00:00:00 GMT</pubDate><category>cryptography</category><category>probability</category></item><item><title>Rate Limits Without Identity</title><link>https://samuelschlesinger.com/writing/rate-limits-without-identity/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/rate-limits-without-identity/</guid><description>How anonymous tokens separate eligibility, spending, and surveillance.</description><pubDate>Mon, 27 Apr 2026 00:00:00 GMT</pubDate><category>cryptography</category><category>privacy</category><category>standards</category></item><item><title>Proofs as Infrastructure</title><link>https://samuelschlesinger.com/writing/proofs-as-infrastructure/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/proofs-as-infrastructure/</guid><description>Why mechanized proofs matter for cryptography, standards, and long-lived systems.</description><pubDate>Fri, 24 Apr 2026 00:00:00 GMT</pubDate><category>formalization</category><category>lean</category><category>mathematics</category></item><item><title>The Collatz Map in Binary</title><link>https://samuelschlesinger.com/writing/collatz-in-binary/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/collatz-in-binary/</guid><description>Reformulating the Collatz map as an operation on binary representations, where division disappears and only the carry chain remains.</description><pubDate>Fri, 02 May 2025 00:00:00 GMT</pubDate><category>mathematics</category><category>number-theory</category></item><item><title>Demon-Oriented Methodology</title><link>https://samuelschlesinger.com/writing/demon-oriented-methodology/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/demon-oriented-methodology/</guid><description>An essay on working with large language models: what the summoning costs, how the binding works, and why the summoner bears responsibility.</description><pubDate>Tue, 15 Apr 2025 00:00:00 GMT</pubDate><category>ai</category><category>essays</category></item><item><title>Privacy vs. Security</title><link>https://samuelschlesinger.com/writing/privacy-and-security/</link><guid isPermaLink="true">https://samuelschlesinger.com/writing/privacy-and-security/</guid><description>Why pervasive identification is itself a security risk, and what anonymous proofs offer instead.</description><pubDate>Sat, 25 Nov 2023 00:00:00 GMT</pubDate><category>privacy</category><category>security</category><category>cryptography</category></item></channel></rss>