Once you have decided that you want to start mining cryptocurrency you need to work out how fast your mining rig crunch work blocks and earn you crypto coins. Working out how fast your rig is called benchmarking. We will use the BFGMiner coin mining tool to benchmark your system. BFGMiner is a crypto coin mining utility that includes a benchmark mode. In this mode, it will tell you how many hashes per second your rig can computer. This number is very big so is abbreviated as follows: