I have little knowledge about it. i know some cause of this problem. such as

 1. use multiple account
 2. cheating with Altcoin
 3. concentrated account
 4.reported old task in bounty

 i know this kind information. have any others problem???

 1. multiple account means if you are use  many account that provide you Are owner of many account, then your all account will be band or red trust

 2. cheating with Altcoin means do YOU break rules in bounty and copy others works,  you will be cheater

 3. connected accounts means if you use many account and use same wallet address and social media then your all account saw connected.

 4.If you are a bounty hunter and report old task, bounty admin saw that he can give you red trust

 i Have little knowledge about that. if any others couse please note me 🙏 💯