Tayo mismo ang mag background check sa isang bounty bago tayo sumali, sa dinami dami ng mga bounties sa forum; kakaunti lang ang mga legit kaya dapat natin ilaan ang ating oras sa pag hahanap kung gusto natin maksali sa bounty na kung saan makaka received tayo ng payment
I think you should look first on who is managing the bounty, this way it's easier to determine if the project is legit or not.
Try to join in a bounty campaign that is manage by a reputable member in the forum, at least when they manage it, they are staking their reputation and they won't allow their reputation will be destroyed so they will also make some good research on the project prior accepting it.