Field notes from the review lab

Short articles for people who document air-gapped wallets. Educational only — Not Financial Advice.

Code on a monitor in a dim workspace

When air-gap checks fail quietly

The boring places a “cold” machine still learns about the network — and how review memos catch them.

12 min read
Laptop with code editor open

Firmware diff basics for desk reviews

What a reviewer actually writes down when comparing release hashes — without pretending to reverse-engineer binaries.

9 min read
Shipping containers at a port

Korea hardware wallet import checklist

Intake questions for devices arriving through Korean logistics — packaging, seals, and who opens the box.

8 min read
Hands writing notes beside a laptop

Writing seed-handling logs without drama

How to note recovery-phrase procedures in a review memo without pasting secrets into chat tools.

10 min read