Can A Paper Receipt Identify You?

Let’s say you go shopping and use your Cashcard, yoyo card, ipass card, etc. to pay. And you receive a paper receipt.

Is there any way someone could then take that paper receipt and determine that it was connected to your cashcard, eventually identifying you?

I bet the police can, but what about just regular people.

if they could they could have identified the big winners on the receipt lotto that failed to claim their ten million twd prizes.

The lottery receipt can be used to show what was purchased, the amount that was paid + taxes by anyone.
Just use the official tax office app for the digital receipts and add the paper receipt by scanning the QR-code.

Don’t know if they also save the payment method in the government database. But some statistics the government releases imply that they probably are.
May be they don’t save the cash card number in the transaction.

Those might have paid with cash.

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