I suggest every new projects team should do this if they want to introduce bounty campaigns for their project, doing this will limit the risk for tokens losing huge value because bounty hunters sell their shares.
1. Find good bounty manager
2. Give up only few decent allocation
3. Go for strong exchanges with no fake volume
4. Accept limited participants in your bounty campaigns
5. Introduce phase distributions
The only way for tokens to not lose value could be by paying the bounty hunters in stablecoins and not the project tokens. Secondly, there should not be big discounts or bonuses during tokensale and team should have some buy back and burn strategy.