A relay which is not an exit is practically zero risk. The design of the Tor system means you'll be receiving an encrypted packet from one source, unwrapping o

A relay which is not an exit is practically zero risk. The design of the Tor system means you'll be receiving an encrypted packet from one source, unwrapping one layer of encryption, and passing it on to the next relay in the chain, with no knowledge of the original source, final destination, or true packet contents.