Journal

Notes from the testing floor.

Short essays on evidence, sampling, and walkthrough prep for payment and wallet platforms.

Stock market charts on multiple screens

Mapping SOX-style controls onto payment rails

Why ledger close controls do not transplant cleanly onto continuous settlement corridors.

12 min read
Code on a laptop representing monitoring systems

Sampling methods for transaction monitoring reviews

Choosing between alert-population samples and underlying transaction samples without double-counting comfort.

9 min read
Workshop discussion at a whiteboard

Preparing for a fintech controls walkthrough

A facilitator checklist that keeps product demos from drifting into feature tours.

8 min read
Person typing on a laptop in a workspace

When automated testing misses manual overrides

How break-glass paths evade extract-based tests—and what to put in the limitation statement.

10 min read