Personal IndexWriting
I write about systems I’ve built, problems I’ve encountered, and things I want to understand better.
Blockchain & Custody
How transaction authorization changes when policies need to reason about users, assets, addresses, transaction amounts, smart contract calls, and historical activity.
Feb 2026
Notes from building transaction infrastructure across Bitcoin, EVM, Solana, Stellar, and Tron — and what I've learned from implementing custody infrastructure across networks with very different account, fee, transaction, and finality models.
Jan 2026
Notes on coordinating distributed signing, transaction lifecycle management, failure recovery, and operating MPC systems in production.
Fystack · Oct 2025
Systems
Locks, idempotency, transaction state, failure recovery, and the problems that appear when moving money.
Dec 2025
Short notes about coordination, queues, databases, consistency, deployment, and production failures.
Medium · Aug 2025
Research Notes
Things I'm learning about cryptography, distributed systems, and computer science. Not necessarily conclusions — mostly an attempt to understand difficult ideas by writing them down.