The zero-knowledge proof (ZKP) feature in Google Wallet is powered by the Digital Credential API, enabling functionality across mobile devices and integration with third-party websites and apps

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The implementation is now live in Google Wallet and works across mobile devices and apps using Google’s Digital Credential API, which means it can be embedded into third-party sites and platforms.

Google said ZKPs will power a new form of private age verification through its Digital Credential API.