Not that I know of, but Advogato’s trust metric limits the damage by a rogue endorser of many trolls with a calculation using maximum network flow. It doesn’t allow for downvotes.
If you allow downvoting and blocking all of someone’s nodes, that could be an incentive for the person to partition their publications into three pseudonyms, so that once the first is blocked, the others are still available.
Not that I know of, but Advogato’s trust metric limits the damage by a rogue endorser of many trolls with a calculation using maximum network flow. It doesn’t allow for downvotes.
If you allow downvoting and blocking all of someone’s nodes, that could be an incentive for the person to partition their publications into three pseudonyms, so that once the first is blocked, the others are still available.