If this is a concern, pass your UUIDv7 ID through an ECB block cipher with a 0 IV. 128 bit UUID, 128 bit AES block. Easy, near zero overhead way to scramble and unscramble IDs as they go in/out of your application.
There is no need to put the privacy preserving ID in a database index when you can calculate the mapping on the fly
There is no need to put the privacy preserving ID in a database index when you can calculate the mapping on the fly