How private is harvesting?
I understand my keys are safe in both local and delegated harvesting (I think) but I am wondering how private network traffic is during this
Local harvesting: everything happens on your pc.
The only network traffic is broadcasting transactions and blocks which are public information, no privacy needed.
Remote harvesting: you also need to send your delegated key to remote NIS.
You can do it via encrypted email or telegram to the node owner if you don't feel like sending it in cleartext trough the network.
I own two supernodes, you can message me on telegram: @rigelNEM