Let's think about it. How is KYC stands for? I think everyone understands that this is knowing your customer. But bounty hunters are not exactly a customer, so what does bounty hunter have to do with this? No, and in general, I think it is against the law.
KYC for bounty is required for limit the movement for cheater and scammers Bounty but i see few bounty campaign not required KYC for their participant