I think that is the thing that might happen, There is no bounty that there is no cheating in it, And the way that can be done by Bounty Manager or Developer is to minimize the occurrence of cheating as much as possible,
Bounty hunting campaigns are increasingly difficult for bounty hunters to limit fraudsters, spam and multiple accounts. Also, participating in bounty campaigns for long periods of time, but not receiving satisfactory results, is a source of stress for the participants.