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When, why and how Expanded Password System was developed

Hitoshi Kokumai · Here is what we wish to emphasize as to the development of Expanded Password System (composed in the format of Santander Digital Trust Hackathon). ·  Main Theme: Identity Assurance by Our Own Volition and Memory · - Problem: Password Predicament · - Solution: Non-Text Secret Cred ...


Advice Wanted for Crowdfunding

Hitoshi Kokumai · We are considering a crowdfunding prior to launching the global operations of Expanded Password System (EPS); its objective is to offer an affordable opportunity to everyone in every nation, who sees the big value in our enterprise for both the social good and the economic benefi ...


Summary and Brief History - Expanded Password System

Hitoshi Kokumai · ‘Easy-to-Remember’ is one thing. ‘Hard-to-Forget’ is another - The observation that Images are easy to remember has been known for many decades; it is not our theme. ·  What we discuss is that ‘images of our emotion-coloured episodic memory’ is ‘Hard to Forget’ to the extent that ...


On Password Predicament

Hitoshi Kokumai · Below are my recent writings on the issue of password predicament. · Expanded Password System: ‘Image-to-Code Converter’ · Password and Passphrase · EPS for SSI (Self-Sovereign Identity) · Humans Built as Such · Ant Going to Defeat Elephant · Children’s Passwords Managed by Sch ...


Expanded Password System: ‘Image-to-Code Converter’

Hitoshi Kokumai · In my earlier post “"Global HQRegistered in UK",  I mentioned that people engaged in identity management or ‘deployment of authenticators’ could all be the down-stream partners for Expanded Password System (EPS). · Are you working in the fields of ID federations, two/multi-factor ...


Robust 2-Channel Authentication

Hitoshi Kokumai ·   · 2 is larger than 1, but not necessarily stronger than 1.  · https://www.theregister.com/2020/07/20/twitter_security_update_hackers_broke_2fa/ · By bringing in the concept of Expanded Password System, we are able to protect important accounts more reliab ...


Expanded Password System – Theory and Implementation

Hitoshi Kokumai · Expanded Password System, however solid the theory is, would be vulnerable to attacks when it is poorly implemented. · Very fortunately, our first client in Japan who adopted Expanded Password System for 140,000 shoppers (designed for one million users) was extremely demanding a ...


History, Current Status and Future Scenarios of Expanded Password System

Hitoshi Kokumai · Predicament of Digital Identity · Passwords are so hard to manage that some people are urging the removal of passwords from digital identity altogether. What would happen, then, if the password is removed from our identity assurance? · Where the password was kicked out, security ...

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