Do RFID blocking cards actually work? My Flipper Zero revealed the truth

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.

Diving into RFID Protocols with Flipper Zero

says Flipper Zero is a 'card-skimming device

Do RFID blocking cards actually work? My Flipper Zero revealed the truth

Is The Flipper Zero Useful For Anything?

Is The Flipper Zero Useful For Anything?

Diving into RFID Protocols with Flipper Zero

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Do RFID blocking cards actually work? My Flipper Zero revealed the truth

Do RFID blocking cards actually work? My Flipper Zero revealed the truth