Client gives error at start: No WIF Error starting rpc server
I see the rpc detail in config.json has
"encrypted_rpc_endpoint": "127.0.0.1:0",
"encrypted_rpc_wif_key": "",
but are we supposed to be using that and if so, how? I tried to put a random detail there but error then suggests that is invalid; so, I expect there is a way to generate a real private key.