The danger about use kyc on brave

Yes, we do.

Agreed. You may want to check Why is KYC/AML required? as it answers why it has/had been required.

Brave has always been trending in that direction. I’m guessing you’re posting here without keeping track of recent announcements. For example, the two posts below from Brave’s blog:

As well as announcements that on chain payments for Rewards is going to be released this year. (meaning no custodial partner necessary…which means no KYC/AML to use Rewards) We just don’t know for sure when it is going to be available to everyone. It’s in testing and development now, with them to slowly add people to it through invitation only until things are more closely perfected.