In a "future without passwords" every signle web site will use their own app for 2FA, forcing you to install all of them. It should be possible to have one comm

In a "future without passwords" every signle web site will use their own app for 2FA, forcing you to install all of them. It should be possible to have one common open standard for "push" 2FA apps and let consumer chose which app to use. Like we have now with Google Authenticator, andOTP, DuoMobile, etc, but with unified "push" functionality.