Whats the best crypto currency?

forget trying to mine large caps. Look for small cap projects that you believe in after doin large amounts of research on them then try to mine as much as you can or buy otc while cheap. Here's one gem that few ppl know about
https://mochimo.org/
Research as much as you can. No such thing as free money after 2017's run, you're gonna need to put in the work if you want great rewards