[gii2]

Congrats, the idea is great (I have something similar in my TODO list).

Now the next step is to implement file transfer and self-hosted web server with social network app and you have decentralized internet :)

[kordless]

Don't forget adding some payment forwarding to enable federation: http://dev.blockcypher.com/#payments. That would also take care of the public key to public key enablement.

[fit2rule]

IPFS, basically: http://ipfs.io/