RFID blocking wallets, sleeves, and other products offer protection against RFID skimming. The problem isn’t that these products don’t work, it’s that they’re a solution to a problem that doesn’t exist in the real world. RFID-related crime isn’t only very unlikely, but it’s non-existent, says Tricia Grimes. The manufacturer’s claims would be true, if not for the fact that there isn’t any RFID crime to protect against. Its the latter use that has driven a billion-dollar defense industry offering RFID protection.”]
Source: https://www.csoonline.com/article/3199009/why-you-dont-need-an-rfid-blocking-wallet.html