All field notes

More research and writing.

New pieces published every 3 to 4 weeks. Subscribe below to get them by email, or check back here.

Agentic
Engineering · 9 min read

Classifying agentic AI sessions at the edge

How we tell autonomous agents apart from human users without breaking either experience. Detection signals, allowlist patterns, and the trade-offs we made.

February 2026 Read →
Explainable
Whitepaper · 22 min read

Explainable scoring for European regulators

What "explainable AI" actually means under PSD2, GDPR, and the AI Act. How we structure decision logs so your auditor signs off without a fight.

January 2026 Read →
Drainers
Research · 14 min read

Wallet drainer infrastructure, mapped

An analysis of 47 wallet-drainer campaigns and their shared infrastructure. Counterparty patterns, signing-permission red flags, and detection heuristics.

December 2025 Read →
Latency
Engineering · 11 min read

Sub-200ms fraud scoring at scale

The architecture decisions behind our scoring pipeline. Why we don't use deep models in the hot path, and how we handle context lookups without breaking the latency budget.

November 2025 Read →
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