Writing
Notes from the delivery side of frontier tech
Occasional writing on blockchain, AI, and fintech — from the perspective of someone who has to actually ship it.
Agentic Payments · Part 3 of 3
Open USD: The Settlement Layer Just Picked a Side
Four weeks after I argued stablecoins were quietly becoming the agent-native settlement rail, 140+ of the biggest names in payments launched a shared one. Here's what Open USD actually is, why its economics are the real story, and what it changes for anyone building agentic payments.
Agentic Payments · Part 2 of 3
Agentic Payments: How to Build Them Without Breaking Them
Ten ways AI agents with spending authority fail in production — prompt injection, decimal errors, hallucinated recipients — and the six patterns good teams build around them.
Agentic Payments · Part 1 of 3
Agentic Payments: Build Now, or Wait?
AI agents are starting to spend real money. Here's where the agentic payments stack actually stood in mid-2026, where it was heading, and how I'd decide whether to build for it now or wait for the dust to settle.
Glamsterdam: what's next for Ethereum
Glamsterdam is the biggest structural change to Ethereum since the Merge — enshrined Proposer-Builder Separation, Block-Level Access Lists, and a protocol-layer fix for the MEV and censorship problem I've been watching for years.
Watching Pectra Go Live
The night Ethereum's biggest staking upgrade activated, I was on a livestream with the Pier Two team watching the first transactions land in a tool we'd built for it. Here's what Pectra changed, and the offboarding trick our testing uncovered.