Do I need an RFID Wallet?
Credit Cards these days allow you to touch them against a sensor to pay for things. They contain a RFID chip that can be read by a scanner, which means that anyone in close prolixity to you in a queue, life etc could use a scanner without your knowledge and get your card details.
Modern wallets are being designed to prevent RFID scanners reading the data from your card when it’s in your wallet. RFID wallets are commonly wade from metal, but some leather ones are becoming available.
Many companies also use RFID technology on their security passes that enable their staff to enter their buildings. If you live and work in a city it might be worth protecting your credit cards in a RFID wallet.