The BTC mining pool is a mining company that supports several other currencies despite its name being BTC. In the BTC-com pool you can mine coins like Grin, ETH, ETC, BCH, LTC and many others. The pool website is very complete and has a lot of important information for those who use it, like a profit calculator to know which currency is more profitable with the equipment you have, besides having a tutorial on how to use the pool. Finally, a very complete pool in terms of user support and information. A very good option for anyone starting out in mining.