Actually, these days lots of bounties become scam after the end of bounty campaign. So, we must find good bounty campaigns before hunt. How we find good bounty campaigns? Firstly we must find and select good bounty managers and bounty management teams. After that we must find good campaigns of the selected bounty managers and management teams. We can use bounty ratings sites, observe whitepapers and consider about ico team members. It will be help to save our valuable time.