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How to add your passport to Google Wallet
Once you add a passport to Google Wallet in the form of a digital ID, you'll be able to use it in certain places to confirm your identity.
But did you know you can also add your passport to your digital wallet, creating an ID pass from it that you can use at various locations, including TSA checkpoints in the U.S., for domestic travel? Users are required to have an Android phone with OS 9.0 or higher and must have Bluetooth and Nearby devices on in order for it to work. Add credit and debit cards, ID, even your passport, and you will be able to pay and confirm your identity on the go with ease, leaving the physical wallet at home.
Or read this on Android Central