The most important benefit of a digital ID is authentication. Once digital IDs are more commonplace, you will no longer have to send your login ID and password over the Internet. Your password, passphrase, or biometric will go no further than your smart card, token, or your PC. Once you are authenticated, you will be able to authorize an encrypted exchange of digital data between your PC (or phone or other information appliance) and the other party. The result of the exchange is that both parties will be able to confirm that the other party is indeed who they say they are. If you provided biometric data the person will know not only that it was your ID but that it was actually you and not someone who may have ?borrowed? your login/password. (read more)
The most important benefit of a digital ID is authentication. Once digital IDs are more commonplace, you will no longer have to send your login ID and password over the Internet. Your password, passphrase, or biometric will go no further than your smart card, token, or your PC. Once you are authenticated, you will be able to authorize an encrypted exchange of digital data between your PC (or phone or other information appliance) and the other party. The result of the exchange is that both parties will be able to confirm that the other party is indeed who they say they are. If you provided biometric data the person will know not only that it was your ID but that it was actually you and not someone who may have ?borrowed? your login/password. (