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Outline of Mnemonic Guard

Our Expanded Password System “Mnemonic Guard” with which we can make use of episodic image memory in addition to textual memory can be viewed as an enhanced successor to text-only password systems on its own.

Furthermore, the Expanded Password System will enable us to see truly powerful multi-factor authentications with a strong unique password being used as one of the factors for all different accounts, whether indoor or outdoor.

With the Expanded Password System used as a rescue-password in case of false rejection, biometric solutions will offer good convenience without sacrificing the confidentiality.  We would also be able to see truly reliable decentralized ID federations with a strong unique password
being used as the master-password for each of single-sign-on services and password management tools.  The outcome will be the most highly assured identity achieved through the most reliable “shared secrets”

The Expanded Password System is inclusive of textual as well as non-textual passwords.  Users can retain the textual passwords as before while they expand their password memory to include the non-textual passwords without being impeded by the cognitive effect of “interference of memory”.  It is extremely difficult to imagine the users who would suffer disadvantage or inconvenience by taking up the expanded password system.




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