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That's probably true in practice but it doesn't have to be. In Japan they have train passes which effectively give you cashless money. They don't require you to
by asiachick 4y ago
That's probably true in practice but it doesn't have to be. In Japan they have train passes which effectively give you cashless money. They don't require you to register them. To add money you can put them in a machine and add cash. They can be used to buy many things. Most convenience stores accept them for example.
That said, most people do register them or use their phones in 2022 so in that case, yes you can be tracked.
- lixtra 4y agoThey can also be tracked by their history if you have othe data sources. Let’s say you have cell phone data of someone. You can then correlate that with place (let’s say home and work) and time of a few purchases. This then de-anonymizes the card and the other purchases, even if they had their cellphone turned of in the delicate purchases.