[1]Why are there so many scam bounties out there and [2]how are we to know which is scam or not
[1] Because there are many newbies that can easily be scammed by these scammers.
[2] Its difficult to know which are the scam and not but here are some of clues. If the project is cloud mining and lending platform thats an obvious scam.
I saw the spreadsheet of some SCAM ICO and they are not a newbie on this, there are many Legendary and heroes account there...
I felt so bad with some good campaign managers that being abused by scam ICO.
It was not their fault though they promoted it! some of the SCAM BOUNTY last month was...
UCHIT
IMPRESSIO
GREENISH