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> Definitely stored Not well-designed ones. I think you overestimate how much retailers want to even possess sensitive information like that. What's going to be stored is the fact that an of-age ID was scanned, and possibly the DOB. This is to protect honest cashiers and to have a way to punish ones who might sell to the underage. If an underage sale is reported, they check the audit log and it says the transaction h…
Your comment made sense perhaps only twenty years ago. But today, everyone is desperate for this kind of info. Third-parties provide these services for free or close to it, especially to get access to the data stream. It's a several hundred billion dollar industry, in the US alone. Retail is definitely a source: https://market.us/report/data-broker-market/ Someone was on here a couple of years ago stating that even "…
The store isn't tying your drivers license number and specific DOB to your purchases because you show an ID to buy beer -- that's a different kind of data and carries with it way too much potential for identity theft. Thinking that they want that is tinfoil-hat thinking. You can ask every single supermarket company if they do that and every one will tell you no. You can ask the companies which make the POS software if the scan ID functionality ties into data brokers and they'll say no. But go ahead and think that there are like 15 Fortune 500 companies all secretly doing this, even though not a single whistleblower has ever come forward. Of every engineer at those companies, I am not aware of anyone who has alleged this from a position of actual knowledge.