organisations working for record labels and movie studios have worked to undermine kazaa by putting in fakes by contrast moderators on suprnova made sure files being shared were high quality the moderators are the difference between having a system that works and one that s full of crap like kazaa he said there is a fundamental tension between distribution and integrity he said mr pouwelse said that future versions of filesharing systems are likely to incorporate some kind of distributed reputation system that lets moderators prove who they are to the network and rate which files are worth downloading when big files were being shared moderation systems were key said mr pouwelse he added that the legal attacks on bittorrent had driven people away from sites such as suprnova but many users had simply migrated to other tracker listing sites many of which have seen huge increases in traffic it s hard to compete with free he said noone from the motion picture association of america was immediately available for comment on the filesharing development