Which passwords correspond to which accounts?

Being able to recall strong passwords is one thing. Being able to recall the correspondence between accounts and passwords is another.

When different sets of images are allocated to different accounts, those unique image matrices will be telling you which images you should pick up as your credential for this or that account.

When using hard-to-forget images of our episodic memories, Expanded Password System will free us from the burden of managing the relation between accounts and the corresponding passwords.

By the way, password managers would be helpful if used modestly not to create a single point of failure, although we cannot rely on them for unlocking our computers and phones offline.

Key References

Summary and Brief History — Expanded Password System

For Achieving Solid Digital Identity on Information Security Buzz (Mar/2021)

Impact of Episodic Memory on Digital Identity

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

Availability-First Approach

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



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Hitoshi Kokumai

Advocate of ‘Identity Assurance by Our Own Volition and Memory’, Inventor of Expanded Password System and Founder of Mnemonic Identity Solutions Limited in UK.