Being biased and all I would suggest gridcoin. Here's an extensive guide by @dutch :https://steemit.com/gridcoin/@dutch/want-to-earn-usdusdusd-using-the-cpu-of-your-mining-rigs-or-home-computers-gridcoin-grc-mining-revenue-in-usd-up-to-usdusd70-m
Being biased and all I would suggest gridcoin. Here's an extensive guide by @dutch :https://steemit.com/gridcoin/@dutch/want-to-earn-usdusdusd-using-the-cpu-of-your-mining-rigs-or-home-computers-gridcoin-grc-mining-revenue-in-usd-up-to-usdusd70-m
I'm trying to understand it, got some people arguing about it.
https://steemit.com/gridcoin/@americana-reboot/gridcoin-what-is-the-potential