Should be feasible with GNUnet [1] which has pretty generic foundations for implementing anonymous and secure peer-to-peer services. Think of an encrypted over

Should be feasible with GNUnet [1] which has pretty generic foundations for implementing anonymous and secure peer-to-peer services. Think of an encrypted overlay network that uses addresses that cannot be linked to IP addresses and relaying transfer mechanisms that are hardened against traffic analysis attacks. There seems to be research under way to get a messaging protocol built into GNUnet. Google turns up this pdf [2] for example. [1] https://gnunet.org/ https://gnunet.org/ [2] http://rp.delaat.net/2012-2013/p88/presentation.pdf http://rp.delaat.net/2012-2013/p88/presentation.pdf