Contrary to popular belief, foil does not completely block RFID signals, it just inhibits them. It makes it a lot harder for the signal to travel, yes, but it can still get out, which means a ...

The aluminum foil shields the credit card from RFID signals. You can also place the credit card in a container made from a conducting metal. Purchase an RFID-blocking wallet.

RFID blocking doesn’t have to be fancy: A layer of aluminum foil wrapped around a credit card will do the trick. For those who don’t want to go the homemade route, ...

A wallet that prevents readers from accidentally picking up the data in RFID-based credit cards and ID cards that are in the wallet. A home-made version can also be created using aluminum foil and ...

The RFID-blocking vendors will try to overwhelm you with technical terms and specifications, including frequencies and antenna sizes. Aluminum foil works to block them all; you just may need more ...

Of course, there’s a DIY hack to make your own RFID wallet: wrapping your cards in aluminum foil. Aluminum blocks radio frequencies and keeps scanners from mining any information.