Patent attributes
The present invention enables automatic authentication of a personal digital key based upon proximity of the key which is associated with a person. The system enables linking of the personal digital key to an account based upon the automatic authentication. The personal digital key includes encrypted digital data unique thereto, which enables automatic authentication based upon proximity thereof to a receiver and the account linking system. The system further includes an account linking system based upon automatic authentication of the personal digital key. The account linking system comprises a receiver/decoder circuit, which is able to automatically authenticate the personal digital key, whereby the personal digital key is able to be linked to and associated with an account.