[networkimprov]

See also:

https://en.wikipedia.org/wiki/Self-sovereign_identity

https://identity.foundation/

https://human-id.org/ (a non-profit startup)

[clairity]

it's a little disheartening that all of the sites you link to include conglomerated tracking mechanisms, e.g., proprietary tracking for wikipedia (even if this is relatively benign), google for the latter two, plus wordpress for human-id.org.