http://z7735o572gxj4t5dejydk3clj4g4auurn2tnfatytrjfa3rwr2x527id.onion/article/how_to_fix_openbazaar
Content moderator nodes store all public information of the trade network for all other clients to download.
Besides storing product content, they also help store chat data and wallet data temporarily until all participants
have gone online and confirmed reception.
Additionally, they act as seed nodes, which means they have publicly known onion addresses to allow network
discovery.