Forbes: The iPhone’s New Camera? Whatever. The iPhone’s New Wallet? Cool. 

Apple’s approach to identity in wallets is built on open standards, including the W3C’s Digital Credentials API and FIDO Alliance protocols. This is important to identity nerds like me because they are standards that enable privacy-enhancing exchanges of digital credentials, allowing consumers to (crucially) prove what they are (over 18, entitled to drive, holding a valid ticket) without having to divulge who they are.