Blog
How this actually works.
Engineering write-ups, not press releases. Every claim traces to the source it came from.
- engine
We measured what actually scans
160+ style combinations, two adversarial decode campaigns, and the two numbers that now guard every export.
- infrastructure
Redirects that outlive us
The never-dies architecture: why scans hit an edge worker with a five-minute memory instead of our database.
- privacy
Counting scans without tracking people
Scan analytics with no cookies, no fingerprints, and no raw IP anywhere.
- open-source
Why QRCDN is open source
A printed promise deserves a public escape hatch.