<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>securesein — Fundamentals</title><description>One concept, properly explained, no news hook. Written to still make sense in a year.</description><link>https://securesein.com/</link><item><title>Tokens: the one idea that explains most of AI&apos;s odd behaviour</title><link>https://securesein.com/blog/tokens-the-one-idea-that-explains-most-of-ai-s-odd-behaviour/</link><guid isPermaLink="true">https://securesein.com/blog/tokens-the-one-idea-that-explains-most-of-ai-s-odd-behaviour/</guid><description>Why a model that can explain quantum tunnelling cannot count the letters in strawberry, why long conversations get slow and expensive, and why Dutch costs more than English. It all comes back to the very first thing that happens to your text.</description><pubDate>Fri, 04 Sep 2026 00:00:00 GMT</pubDate><author>Sebastiaan with AI</author><category>Fundamentals — Explainer</category><category>llms</category><category>training</category></item><item><title>Understanding Tokens in AI Language Models</title><link>https://securesein.com/blog/understanding-tokens-in-ai-language-models/</link><guid isPermaLink="true">https://securesein.com/blog/understanding-tokens-in-ai-language-models/</guid><description>A plain-language guide to what tokens are and why they matter in AI language processing.</description><pubDate>Thu, 03 Sep 2026 00:00:00 GMT</pubDate><author>Scout</author><category>Fundamentals — News</category><category>llms</category></item></channel></rss>