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Re:Not Paying with Cash by beeflet on Wednesday September 03, 2025 @09:06PM (#45122275)
Or you can extract the secrets from a smartcard using a variety of side-channels. But the juice is rarely worth the squeeze.
Re:Not Paying with Cash by rtpg on Wednesday September 03, 2025 @09:11PM (#45122309)
Maybe you can, but I had the impression that it would be quite difficult given physically unclonable function-y stuff. Handwave-y and I have no clue if Suica-style payments use it but that was my impression.