Is is possible to leverage some sort of peer-assisted discovery? Where you ask some sub-set of your trusted contacts already on the system, to call the server o

Is is possible to leverage some sort of peer-assisted discovery? Where you ask some sub-set of your trusted contacts already on the system, to call the server on your behalf. So that the server is less likely to know whose contacts are being sent to it. Of course, this can only be part of the full solution. Disclaimer: just throwing a wild idea out there. don't know anything about the field.