So many active bounty rigth now and also good.All you need to do before joining the bounty visit there website,read the whitepaper and look whos the team behind the project.If the bounty community is big i think its legit.
Benebit had a huge community...and it was a scam) So, I wouldn't be so sure
You should really study the project, as for investing in ICO, just not to waste your time