EstEID specification - covers all ID-card application versions issued in Estonia:
http://www.id.ee/public/TB-SPEC-EstEID-Chip-App-v3_5-2014032...
The Estonian ID-card and Digital Signature Concept: http://www.id.ee/public/The_Estonian_ID_Card_and_Digital_Sig...
It's made by Trüb in Switzerland, the leading player in Europe in issuing national id cards: http://www.trueb.ch/en/identity-card/secure-citizens
Here are the Estonian specs: http://www.id.ee/index.php?id=35772
Ah yes the Phyles of Diamond age. But this e-residency is still within the confines of a nation-state, whereas Stephenson's Phyles/Tribes replace the nation-state.
I can see Bitcoin - or its decedents - easily being used for Phyle "ID-card" infrastructure; no nation-state required.
- who makes the smart card? What is the model?
- wow - that's just like Neal Stephenson and joining Tribes based not on location but membership.
But I can't see myself going to Estonia just to pick one up ... I'll wait till the embassy in London does it :-)