Here is a smart wallet with RFID protection and tracking to protect your important cards. The Code Wallet lets you unlock it with a 3-digit code. It has 7 pockets to fit up to 12 cards, receipts, and cash.
The Wallet is made of aluminum. It comes with TrackR bravo, which you can pair to your iOS or Android devices. You get 2-way tracking, a replaceable battery, and built-in ringer. Code Wallet is available on Kickstarter.