>To this day I am wondering if eMule would still have an active userbase if it had some sort of mechanism that (via opt-in) allowed clients to download from tru

>To this day I am wondering if eMule would still have an active userbase if it had some sort of mechanism that (via opt-in) allowed clients to download from trustworthy „friends“ only and pipelined those downloads from the „public“ ed2k network through these friends and their friends' networks. Yeah, may be a bad idea but to my knowledge never really got explored. This is what RetroShare does.