The economics of mining operations.
Questions using this tag should be asking about the costs of mining such as electricity and hardware costs, and the revenue that could be earned through mining. Questions can also ask about the profitability of cloud mining services.
Mining can be a profitable process, and most people who wish to mine Bitcoin or other currencies want to know how profitable it will be. In general, mining consumes a lot of electricity and is unprofitable in regions where the cost of electricity is high.