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Re:TrueCaller built a billion-dollar caller ID data empire i... by GekkePrutser on Tuesday March 22, 2022 @01:22PM (#30768878)
So if you're a tourist you can't buy anything? Weird.

Spain has a similar thing for this, you have to give your NIE/DNIe number everywhere. Like when ordering something online. But not in brick and mortar shops.

Still I find it a very poor practice in terms of privacy.

Re:TrueCaller built a billion-dollar caller ID data empire i... by pradn on Tuesday March 22, 2022 @03:07PM (#30770127)
Buying stuff through QR codes is very common in India now. You can pay for everything from groceries to street food using QR codes. It runs off the government-sponsored UPI standard. However, AFAIK you need an Indian bank account to be able to participate. It's quite a pain coming from abroad, and I just used cash instead. That does mean I have am prone to paying foreign withdrawal fees, but alas. It does work pretty well for the people of India though.