miners:start
Starts a miner and subscribes to new blocks for the node. The node has to be synced with the network for the miner to start mining.
ironfish miners:start
Join a mining pool with your default account public address.
ironfish miners:start -p <ip-address-of-pool>
Setting the number of CPU threads to utilize for mining <-t> and setting other than your default account address for block rewards <-a>.
ironfish miners:start -t <number-of-threads-to-use> -a <your-address-to-receive-rewards>