Do RFID blocking cards actually work? My Flipper Zero revealed the
![Do RFID blocking cards actually work? My Flipper Zero revealed the](https://www.zdnet.com/a/img/resize/406a7a23770f349f922d60cc8a1e267a5b1c1319/2023/02/20/564f83b6-4a19-427a-b40e-0b7f419a79dc/img-2127.jpg?auto=webp&fit=crop&height=1200&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://archbee-image-uploads.s3.amazonaws.com/3StCFqarJkJQZV-7N79yY/CXItw4q59hea58IIkywIG_rfid01.png)
125 kHz RFID - Flipper Zero - Documentation
![](https://www.zdnet.com/a/img/resize/b46de9fcc3f47400f5e873dc83162188cc4e6923/2023/02/03/e0f082d0-e583-491b-baed-3978b4b175d6/a-woman-using-her-smartphone-on-the-sofa-at-home.jpg?auto=webp&fit=crop&frame=1&height=238.5&width=459)
Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://www.zdnet.com/a/img/resize/80fd43533848c8cbc6385cd91afd670350d7cc73/2023/09/18/08cc3214-230a-4258-9b4e-91b31860eac9/arlo5.jpg?auto=webp&fit=crop&frame=1&height=128&width=128)
Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://cdn11.bigcommerce.com/s-l83a5g4cge/images/stencil/2048x2048/products/259/1301/PANA4353_1500x1125__86295.1695770784.jpg?c=2)
Fantom S Card Fanning Wallet
![](https://i.etsystatic.com/7819387/r/il/0d2bb6/3757027875/il_570xN.3757027875_d6ju.jpg)
VAULTCARD RFID Blocking and Jamming Credit Card Protection for your wallet and passport / NFC Security - Portugal
![](https://www.zdnet.com/a/img/resize/75ca19edeb2d07bbeda50e791508d42e2ebf7a50/2024/02/29/eb6fbc30-2da7-45a2-a072-2e073a2a2ce4/tcl-s55-98-inch-tv-zdnet-4.jpg?auto=webp&fit=crop&frame=1&height=238.5&width=459)
7 cool and useful things to do with your Flipper Zero
![](https://www.zdnet.com/a/img/resize/cd60aa7f823636d6c915644e439e2a3b473540ea/2023/02/20/b4c0545e-6a89-4985-98a2-97d3984ebd54/img-2125.jpg?auto=webp&width=1280)
Do RFID blocking cards actually work? My Flipper Zero revealed the truth
![](https://ae01.alicdn.com/kf/S1765d8d632874bd88b75fe53ba91bd260/Flipper-Zero-RFID-Duplicator-Card-Reader-ID-125KHz-EM4100-Programmer-Writer-T5577-EM4305-Repetitive-Wipe.jpg)
Flipper Zero RFID Duplicator Card Reader ID 125KHz EM4100 Programmer Writer T5577/EM4305 Repetitive Wipe - AliExpress
![](https://www.zdnet.com/a/img/resize/d39c48e4b979b28c24c9153c8b445d5162d5a5bf/2023/02/20/fa6eda86-8cca-468d-a7f2-318f1cd05ba4/img-2124.jpg?auto=webp&width=740)
Protect Your Personal Data with HKCARD RFID Blocker Cards: FAQs, Benefits, and More, rfid-blocker
![](https://m.media-amazon.com/images/I/91vN4I-JdXL._AC_UY1000_.jpg)
Mighty Card Blocker (3 Pack) - Advanced Technology RFID Blocker - RFID Blocking Card - RFID Card Blocker : Electronics
![](https://www.malwarebytes.com/wp-content/uploads/sites/2/2024/03/Flipper_Zero_with-Malwarebytes_logo.jpg)
Canada revisits decision to ban Flipper Zero