If you want to mine cryptocurrency for some extra income COMPUTTA is a great place to start their automated system checks which currency is most affordable to mine at the moment and mines it, so you have maximum earnings for your H/s
https://computta.com/?ref=110682 it is compleatly free and you dont have to enter any credit card information to enter. I have been looking for something like this a long time and i have tried out many similar apps and so far this one is the best. At least try it out is doesn't cost you anything
https://computta.com/?ref=110682