Notes
Writing
Mostly about correctness in systems that move money, and about security tooling that has to work outside the markets it was designed for.
The country your threat feed forgot
Domain reputation systems are trained on the anglophone web. Outside it, they flag the sites that matter most — and teach users to ignore you.
Integers all the way down
Why there is no floating-point number anywhere in the money path of anything I build, and what replaces it.