Rollercoin just add new coin to mine in recent Season 4 update. Which is SOL, an interesting cryptocurrency at a time. For rollercoin guide in general, go to Rollercoin tutorial.
(click here to open video on Youtube)
Rollercoin is a free bitcoin generating platform. Play games, collect power, place miners, and earn bitcoin continuously, increasingly day by day.
For those who want to try this platform or wanna get bonus, click this for free 1000 satoshi. <<<<
Sol is not that interesting but just fine
Since the admin of this site is working, no doubt very rapidly it will be famous, due to its quality contents.