https://github.com/i12bp8/TagTinker
Article
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Tool for Flipper Zero that reads and rewrites electronic shelf label (ESL) tags.
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Targets NFC/RF-based price tags used in retail stores.
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Demonstrates security weakness in common retail infrastructure.
Discussion
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Commenter notes displayed price must legally be honored in some countries.
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Skepticism that Flipper Zero has any genuinely useful applications.
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Self-checkout banana-code exploit story shared as related retail hack.
Discuss on HN