TLDR: MARK.SPACE ICO project promised 0.5% of "overall ICO pool" to Bounty Participants (15,000,000 tokens), change rules over night, pay out less than 5% of the agreed token amount (686,068.5).
as the "mark.space bounty" campaign came to its end suddenly they changed the total amount and paid less than 5% of what was promised.
The facts are all there for us all to see in their own documents :