Identity. The Signpost system requires individuals to
register their own domain. Thus, by running a Signpost
server which has been delegated their zone, an individual
has an authenticated public identity on the Internet via their
public-private key-pair, using standard DNSSEC records.
This pushes user security credentials into the naming fab-
ric of the Internet, meaning that any other network service
which can perform name lookups can eciently verify a user
key.