<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Dylan van Heerden Writing</title><description>Dylan van Heerden is a Cape Town software engineer building specialised software across AI, crypto infrastructure, and the web.</description><link>https://dylanvh.com/</link><language>en-ZA</language><item><title>Isometric: Bitcoin Options Without leaving the Bitcoin ecosystem</title><link>https://dylanvh.com/writing/isometric-native-bitcoin-options/</link><guid isPermaLink="true">https://dylanvh.com/writing/isometric-native-bitcoin-options/</guid><description>Covered calls on BTC, collateralised in BTC, settled on ICP.</description><pubDate>Thu, 30 Apr 2026 00:00:00 GMT</pubDate></item><item><title>BNPL on Bitcoin: Buy Ordinals Now, Pay Later</title><link>https://dylanvh.com/writing/bnpl/</link><guid isPermaLink="true">https://dylanvh.com/writing/bnpl/</guid><description>A technical deep-dive into how I built Buy Now Pay Later for Ordinals at Liquidium.wtf, using atomic Bitcoin transactions and ICP canisters.</description><pubDate>Mon, 08 Dec 2025 00:00:00 GMT</pubDate></item></channel></rss>