Hitoshi Kokumai

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Blockchain and Carbon Footprints

Blockchain and Carbon FootprintsOn-the-Fly Regeneration of Cryptographic Keys<br />
<br />
-<br />
<br />
RnacEr<br />
BORG<br />
mec Re<br />
gr an:<br />
<br />
DED 2<br />
<br />
xtyax9d4294dlelEYVz<br />
wo/gadieowUx093/x7<br />
?lwble84x09xloPxLxeo<br />
dtyYDidex&&xeigo@y...

"Could a ‘Crypto Climate Accord’ erase cryptocurrencies’ carbon footprint?"   https://www.theverge.com/2021/4/8/22373524/cryptocurrency-climate-accord-bitcoin-carbon-footprint

Is the carbon footprint of blockchain an enemy of the habitable climate?

We should distinguish the blockchain used for cryptocurrency gambles (1) and used for meaningful applications (2).

(1) We are of the view that the current cryptocurrencies are no more than a digital version of Tulipomania. I am not willing to support the idea of consuming a huge amount of electricity for entertaining gamblers.

(2) We need to support the concept of blockchain to be used for the benefits of society, expecting that some people will find a new way of running it in a more eco-friendly way in due course.

Our business is providing a valid identity assurance to the people who resort to the likes of blockchain technologies to safely manage their information assets in a way compatible with the value of democratic society.

If only textand # are OK |3UV B99 KUW<br />
<br />
 <br />
<br />
to memorize 10 lighten the load of to make use of<br />
text/number passwords text passwords memorized images<br />
<br />
{Text Mode] {Graphics Mode] (Original Picture Mode]<br />
Recall the remembered Recognize the pictures Recognize the unforgettable<br />
password remembered in stories pictures of episodic memories |<br />
012345 @ 0% 8 sROaw<br />
crreas YE<br />
CDEFGH 8 4 &<br />
<br />
nr HER<br />
<br />
OPQRST<br />
<br />
UvwXxYz ICR WA<br />
Low memory ceiling High memory ceiling Very high memory ceiling<br />
<br />
Think of all those ladders you have to cmb in Donkey Kong ;-)


Key References 

Account Recovery with 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

Summary and Brief History - Expanded Password System

Proposition on How to Build Sustainable Digital Identity Platform


9ca08c49.pngRelation of Accounts & Passwords<br />
<br />
   <br />
<br />
* Unique matrices of images allocated to different accounts.<br />
<br />
+ Ata glance you will immediately realize what images you should pick<br />
up as your passwords for this or that account.

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 

c5648498.png

 < 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

If only textand # are OK |3UV B99 KUW<br />
<br />
 <br />
<br />
to memorize 10 lighten the load of to make use of<br />
text/number passwords text passwords memorized images<br />
<br />
{Text Mode] {Graphics Mode] (Original Picture Mode]<br />
Recall the remembered Recognize the pictures Recognize the unforgettable<br />
password remembered in stories pictures of episodic memories |<br />
012345 @ 0% 8 sROaw<br />
crreas YE<br />
CDEFGH 8 4 &<br />
<br />
nr HER<br />
<br />
OPQRST<br />
<br />
UvwXxYz ICR WA<br />
Low memory ceiling High memory ceiling Very high memory ceiling<br />
<br />
Think of all those ladders you have to cmb in Donkey Kong ;-)




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