[nitwit005]

But of course they do. A big part of those schemes is to track all people's purchases. They also sold that data.

[1718627440]

A paper card with a stamp doesn't even have a name on it and the only copy of it existing is owned by the costumer. The only information e.g. the baker has is what names he has in brain.

[nitwit005]

The cards I was referring to were plastic cards with magnetic strips.