Trust is not a permanent thing, it's hard to build it and easy to destroy it.
I can trust someone if I exchanged crypto or money with them in past, or if we talked and helped each other in some other way.
True Story:I had a friend who I trusted for years and we exchanged crypto many times, than one day he asked me to borrow him some crypto and he will return it by specific date he said.
Since I trusted him, I sent him coins he asked without second thinking.
Months passed and I don't hear anything from my friend, and keep in mind that we talked almost every day before that.
Than I sent him a message asking what is happening with him (it's covid thing), and if he can return his loan like he promised, but I got no reply.
I sent him new message on social media, and no reply again so I get worried about his health.
Finally after few days he sent me one reply telling me that he is ok but one of his family members was sick and that he died.
He never mentioned anything about returning his loan, and I found out he asked the same thing from other mutual friend that he also never returned.
I lost my coins and a person who I called friend.
Can I for example trust
Hitler for trading if I know he wants to kill other people, or can I trust person who I know is lying or have some mental issues?
If you believe someone can be trusted, even when you didn't trade with him, that too deserves positive feedback.
Does that mean if you believe someone can not be trusted, even when you didn't trade with him, that too deserves negative or neutral feedback?
Read LoyceV guide for correct use of the Trust system for more explanation.