App developer should be able to perform the requestVcard method on behalf of a user to send their Vcard to another connected account for confirmation or to a connected app for verification.
For example, a user who wants to have their identity/age confirmed by other users will request that their Vcard be sent to these connected accounts for confirmation. The users who confirm the identity/age of a Vcard will be connected to that Vcard.
Another example would be a user who requests to have their Vcard sent to a connected app for verification of their identity/age.
App developer should be able to perform the requestVcard method on behalf of a user to send their Vcard to another connected account for confirmation or to a connected app for verification.
For example, a user who wants to have their identity/age confirmed by other users will request that their Vcard be sent to these connected accounts for confirmation. The users who confirm the identity/age of a Vcard will be connected to that Vcard.
Another example would be a user who requests to have their Vcard sent to a connected app for verification of their identity/age.