A rating system isn’t needed here. Just a history of transactions (% contracts successfully completed is a good metric) + Communities can decide who they let i

A rating system isn’t needed here. Just a history of transactions (% contracts successfully completed is a good metric) + Communities can decide who they let into these groups, or boot people who are multiple offenders So it’s not all anonymous trolls, there’s context around each person that allows you to filter who is a troll