> In Japan, there are already multiple apps which use something like this to verify user's age via the "my number card" + the smartphone's NFC reader.
Does this also leak your identity to the app?
There is not a way to share just your date of birth. After providing your PIN it can read more than just your date of birth.
There is not a way to share just your date of birth. After providing your PIN it can read more than just your date of birth.