There are a lot of security implications that need to be figured out, but it seems that Google is confident that it can do it right. We talked a bit more about Google's efforts to help you store identity cards using Identity Credential API in Android 11. Storing digital IDs is a bit more complicated than it sounds, though. For instance, adding your transit card to Wallet will trigger Google Maps to show your card and balance automatically when you search for directions. Google is also integrating its Wallet app with other services like Google Maps. This means it'll become a place to store all your IDs, credit and debit cards, airline boarding passes, and more. Any unauthorized charges would be handled the same way they would be if they happened with regular ol’ plastic.The idea behind the Google Wallet app is pretty straightforward - replace your physical wallet with a digital one that stays inside your phone. If you were to lose your phone or somehow get unauthorized charges, it’d work the same way it would with a regular credit card: You’d call your banking company and they’d suspend the account. First of all, you have to enter a PIN in order to make any payment, so having the phone by itself wouldn’t be enough to access your accounts. If someone else had my phone, then, could they go on a wild shopping spree with my account? There are multiple levels of protection for data stored on the and it is protected at the hardware level from snooping or tampering.” Even Google Wallet itself has very limited access to the and cannot read or write data from its memory. Android enforces strict access policies so that malicious applications wouldn’t have access to data stored by Google Wallet.

“Both the Android platform and the Secure Element are designed to prevent this from happening.

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