pixgel: Pixel Art That Beads Together Like Mercury
A pixel art editor where pixels fuse into each other on a grid. SVG export, share-by-URL, no backend. Built around a single corner rule.
d4mr
Thoughts on engineering, technology, and craft.
Latest posts
Anthropic's Kernel Optimization Challenge, Part 1: Understanding VLIW Machines
A visual guide to VLIW SIMD architectures, instruction scheduling, and why packing operations into cycles matters.
Implementing Figma-Style Drag-to-Adjust Number Inputs
How to build the delightful click-and-drag number input interaction from design tools using the Pointer Lock API.
Ethena, Boros, and the Capital Efficiency of Rate Swaps
A deep dive into perpetual funding rates, delta-neutral strategies, interest rate swaps, and why hedging rates is so capital-efficient.
The Case of the Phantom Hash
How I discovered HyperEVM system transactions have two valid hashes, and the rabbit hole that led me into nanoreth's source code.
Flashblocks Broke Our Assumptions
How flashblocks and EIP-7702 forced us to rethink transaction infrastructure at thirdweb.
We Open Sourced 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.
Demon Slayer Sucks (The Stories We Deserve)
Why I can't stand the narrative hand-holding in Demon Slayer, and what shows like Arcane and Frieren prove about trusting your audience.
zkRail: Trustless Fiat Settlement for Autonomous Agents
How we built universal settlement infrastructure for programmatic fiat payments at ETHIndia 2024, winning the main track.
Collections and Ownership in Rust
Collections and Ownership in Rust, with Illustrated Examples (and Illustrations)