The website Mine That Digi is now online.
You can earn free DigiByte (DGB) on the minecraft server.
To start earning you will to have Minecraft 1.11.2 to be able to join their MC server.
For registering instructions go to: www.minethatdigi.com/register
Happy mining :)
Update: Within 2 hours of mining I got diamonds and emeralds worth 37 DGB.