Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://www.zdnet.com/a/img/resize/43422f465bc42d2667dd0a9e0a4cb0231645163c/2023/02/20/778b327c-2a88-46c3-9bd5-f4baf6800dad/vulkit-rfid-blocking-card-in-wallet.jpg?auto=webp&fit=crop&height=900&width=1200)
Credit and debit cards contain RFID contactless technology. Can an RFID blocking card keep someone from "reading" your card without your knowledge? I put it to the test.
![](https://external-preview.redd.it/amazon-bans-flipper-zero-claiming-it-violates-policy-v0-8E9PPoGB-Kz2aYq92UwC3f9wDaiMKz9PlmDkeEvkM7M.jpg?width=1080&crop=smart&auto=webp&s=93dd50ec6742e7c60340f94b5c7bc64c3b731b12)
Bans Flipper Zero, Claiming It Violates Policy Against Card Skimming Devices : r/hardware
![](https://i.ytimg.com/vi/8CEHfJoiZBQ/maxresdefault.jpg)
Flipper Zero RFID & NFC Hunting 🔎 👓 #shorts #flipperzero #nfc #rfid
![](https://i.ytimg.com/vi/8izMLBMxsOA/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAmU7Ej9D5tyMw0DdYrQTr6rPisRw)
Flipper Zero RFID & NFC Hunting 🔎 👓 #shorts #flipperzero #nfc #rfid
![](https://i.ytimg.com/vi/_TEKOiS50UY/sddefault.jpg)
🐬 Flipper Zero detects 125kHz RFID cards protocol and modulation automatically #flipperzero
![](https://i.ytimg.com/vi/5qeTYgSo6xI/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLCJ1OLWlQAFdf58r-fcy_iZdW37og)
🐬 Flipper Zero detects 125kHz RFID cards protocol and modulation automatically #flipperzero
David Deitch on LinkedIn: Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://cdn.flipperzero.one/fallback_rfid_12.jpg)
Diving into RFID Protocols with Flipper Zero
![](https://www.zdnet.com/a/img/resize/0a1e3d7603c9cf5310ce16a3059d5dd0f9d74620/2023/02/01/911e25ce-ed69-4ca3-bd93-86cb71983535/2023-02-01-16-25-15.jpg?width=278&height=156&fit=crop&auto=webp)
Security - Page 106
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Security - Page 147
![](https://i0.wp.com/securityaffairs.co/wordpress/wp-content/uploads/2015/11/MafSpoof.jpg)
MagSpoof, how to predict American Express card numbers
![](https://i.ytimg.com/vi/yKTzek8EZ4E/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBU9YGPSeevmIBBnNvdfYMErgRK3Q)
Flipper Zero RFID & NFC Hunting 🔎 👓 #shorts #flipperzero #nfc #rfid
![](https://www.zdnet.com/a/img/resize/7e0d9c45ee6606db53b597bbb50cea4070bcf6a4/2023/02/20/fa6eda86-8cca-468d-a7f2-318f1cd05ba4/img-2124.jpg?auto=webp&width=1280)
Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://i.redd.it/shmad238zdfc1.jpeg)
Flipper Zero for RFID card reader from far away? : r/flipperzero