Wide choice of secret credentials
We could opt to continue to use the remembered passwords as before, although the memory ceiling is very low. Most of us can manage only up to several of them.
We could opt to recognize the pictures remembered in stories where we want to reduce a burden of textual passwords. The memory ceiling is high, that is, we would be able to manage more and more of them.
Where we opt to make use of episodic image memory, we would only need to recognize the known and hard-to-forget images. There is virtually no memory ceiling, that is, we would be able to manage as many passwords as we like, without any extra efforts.
Key References
Impact of Episodic Memory on Digital Identity
Summary and Brief History — Expanded Password System
For Achieving Solid Digital Identity on Information Security Buzz (Mar/2021)
What We Know for Certain about Authentication Factors
Digital Identity for Global Citizens
Image-to-Code Conversion by Expanded Password System
Account Recovery with Expanded Password System
Proposition on How to Build Sustainable Digital Identity Platform
Additional References
Removal of Passwords and Its Security Effect
Negative Security Effect of Biometrics Deployed in Cyberspace
External Body Features Viewed as ‘What We Are’
History, Current Status and Future Scenarios of Expanded Password System
Update: Questions and Answers — Expanded Password System and Related Issues
< Videos on YouTube>
Slide: Outline of Expanded Password System (3minutes 2seconds)
Digital Identity for Global Citizens (10minutes — narrated)
Demo: Simplified Operation on Smartphone for consumers (1m41s)
Demo: High-Security Operation on PC for managers (4m28s)
Demo: Simple capture and registration of pictures by users (1m26s)
Slide: Biometrics in Cyber Space — “below-one” factor authentication
