Aura is a portable, lightweight peer-to-peer reputation system/library, written in C, and currently in an alpha/unstable condition.

Database Schema

Database Schema


My Presentations and Papers

Initial White paper on Aura
Tue Jul 29 20:55:40 PDT 2003
Defcon 11 Presentation (large)
Tue Jul 29 20:55:40 PDT 2003
Reputation systems and anonymous networks
Wed Jul 27 21:10:13 EST 2004
Codecon Presentation (large again)
UUASC Presentation (also large)
Thu Aug 12 05:21:41 GMT 2004

Other peoples interesting papers and sites

Keyanalyze discusses the strongly connected set in PGP.
del.ico.us is a really neat example of namespace collision and collusion.
Advogato does some very neat stuff with reputation systems and trust metrics.