FOAFKey: FOAF, PGP, Key Distribution, and Bloom Filters \\FOAF/LOAF  and bloom filters have a lot of interesting properties for social\network and whitelist distribution.\\I think we can go one level higher though and include GPG/OpenPGP key\fingerpring distribution in the FOAF file for simple web-of-trust based key\distribution.\\What if we used FOAF and included the PGP key fingerprint(s) for identities?\This could mean a lot.  You include the PGP key fingerprints within the FOAF\file of your direct friends and then include a bloom filter of the PGP key\fingerprints of your entire whitelist (the source FOAF file would of course need\to be encrypted ).\\Your whitelist would be populated from the social network as your client\discovered new identit ...\\