[EdFNJ]

Originally Posted by Keefelane66

Yes, many things are possible with technology just as being on public Wi-Fi with out necessary software to block intrusion. You can make your own RFID for carrying credit cards
https://www.instructables.com/Simple...?amp_page=trueI prefer copper foil to aluminum

You don't want "to make your own RFID" you want to "make your own RFID BLOCKER"

That being said, it seems like a bit of paranoia. Aside from the fact one has zero responsibility for any false charges, you should have more of a concern just giving a card to someone in a store to pay a bill and them taking a photo of it..