Thoughts on engineering, technology, and craft.https://d4mr.com/en-gbhttps://d4mr.com/posts/anthropic-kernel-challenge-part-1-understanding-vliw-machines/https://d4mr.com/posts/anthropic-kernel-challenge-part-1-understanding-vliw-machines/A visual guide to VLIW SIMD architectures, instruction scheduling, and why packing operations into cycles matters.Fri, 23 Jan 2026 00:00:00 GMThttps://d4mr.com/posts/figma-style-drag-inputs/https://d4mr.com/posts/figma-style-drag-inputs/How to build the delightful click-and-drag number input interaction from design tools using the Pointer Lock API.Tue, 13 Jan 2026 00:00:00 GMThttps://d4mr.com/posts/ethena-boros-funding-rates/https://d4mr.com/posts/ethena-boros-funding-rates/A deep dive into perpetual funding rates, delta-neutral strategies, interest rate swaps, and why hedging rates is so capital-efficient.Sat, 20 Dec 2025 00:00:00 GMThttps://d4mr.com/posts/hyperevm-phantom-hash/https://d4mr.com/posts/hyperevm-phantom-hash/How I discovered HyperEVM system transactions have two valid hashes, and the rabbit hole that led me into nanoreth's source code.Tue, 16 Dec 2025 00:00:00 GMThttps://d4mr.com/posts/engine-core-flashblocks/https://d4mr.com/posts/engine-core-flashblocks/How flashblocks and EIP-7702 forced us to rethink transaction infrastructure at thirdweb.Fri, 12 Sep 2025 00:00:00 GMThttps://d4mr.com/posts/thirdweb-building-engine-core/https://d4mr.com/posts/thirdweb-building-engine-core/2 years and 7 months of learnings distilled into 25k lines of production Rust. This is the best thing I've ever built.Wed, 16 Jul 2025 00:00:00 GMThttps://d4mr.com/posts/demon-slayer-sucks/https://d4mr.com/posts/demon-slayer-sucks/Why I can't stand the narrative hand-holding in Demon Slayer, and what shows like Arcane and Frieren prove about trusting your audience.Wed, 15 Jan 2025 00:00:00 GMThttps://d4mr.com/posts/zkrail-trustless-fiat/https://d4mr.com/posts/zkrail-trustless-fiat/How we built universal settlement infrastructure for programmatic fiat payments at ETHIndia 2024, winning the main track.Sun, 08 Dec 2024 00:00:00 GMThttps://d4mr.com/posts/rust-collection-ownership/https://d4mr.com/posts/rust-collection-ownership/Collections and Ownership in Rust, with Illustrated Examples (and Illustrations)Mon, 18 Sep 2023 00:00:00 GMT