On the matter of who has what etc., Brewster Kahle has opinions on
implementation:
http://brewster.kahle.org/2015/08/11/locking-the-web-open-a-call-for-a-dist…
«Fortunately, the needed technologies are now available in JavaScript,
Bitcoin, IPFS/Bittorrent, Namecoin, and others.»
Nemo