2026-06-20
How to match two lists without either side seeing the other (privacy-preserving record linkage)
A technical look at how the /cleanroom tool finds the overlap between two lists using Bloom-filter fingerprints (CLKs), why the server can't reverse them, and how the browser tier keeps raw data on your device.
privacy-preserving-record-linkagepprlbloom-filterrecord-linkageclean-roomgoldenmatch