Ok. I need to provide a disclaimer before I ask this question. This is my first attempt at mining any coin.

With that said, my question is concerning WIF keys and user accounts. As I understand, once I create the WIF key, I need to pair it to a username. So in my config file would it look something like
["newusrnm","newWIF1"]
["newusrnm2",newWIF2"]
etc, etc?

Also, if the blockchain is running and I decide to add a new username, am I able to adjust it on the fly or do I need to stop the mining process, adjust the config file, and then restart?

Thanks in advance!