1. I never believe any promises about the price of coins from project team. And It seems these project are scam or become scam after months.

2. This is a trick to trap investor's money in their project or even scam bounty hunters. I joined some bounty campaigns like that.

3. Hmm. I think this is not a bad move. But it seems to be bad with bounty hunters 

4. This often applies for bonus coins, includes bounty rewards. I think this is not bad too.