Engineering, in our words
Postmortems, architecture decisions, and the trade-offs we make shipping production software. Honest, occasionally opinionated.
Web3·June 29, 2026·8 min readUpgradeable smart contracts: proxy patterns, trade-offs
How upgradeable smart contracts work, the transparent, UUPS, and diamond proxy patterns, the storage collisions and admin-key risks, and when not to use them.
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Fintech·June 22, 2026·9 min readPayment reconciliation: build an engine that survives
A practical guide to building a payment reconciliation engine that survives partial settlement files, PSP fees, and FX, plus the matching ladder it needs.
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Web3·June 15, 2026·8 min readReal-world asset tokenization: architecture and trade-offs
A field guide to real-world asset tokenization architecture, the token standards, oracle and custody assumptions, and the trade-offs that decide if it works.
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AI/ML·June 10, 2026·7 min readClaude Fable 5 and the long-horizon agent problem
Claude Fable 5 keeps agents coherent for hours, not minutes. What changed, why it matters for fintech automation, and where you still need a human gate.
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AI/ML·June 5, 2026·9 min readAgentic payments: what x402, AP2 and MPP mean for builders
Three agentic payment standards launched in a year. Here is what x402, Google AP2, and Stripe MPP each do, how they differ, and what you need to build.
Read post- Fintech·April 20, 2026·1 min read
Shipping stablecoin rails without the pain
What we learned launching a USDC-powered remittance corridor, settlement timing, custody trade-offs, and the boring infrastructure that makes it actually work.
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