And so on...they all ask for private keys.
Those are all exchanges though, right? Exchange shared wallets have been horribly unsafe since forever and these "decentralized" contraptions might actually be an improvement. It's the opposite with bountyhunters.io - they went from a safe if costly airdrop method to asking for private keys because they want to send out worthless tokens that might not even be worth the TX fee.
We have 2 distribution options for our bounty hosts. Common airdrops may also be used. But as "traditional" airdrops may soon go to the past, and as they may affect projects in a negative way, we offer an alternative solution as well. Its still up to bounty hosts to decide.