Eventually all addresses will contain coin from all other addresses, if they are spent. It's the Kevin Bacon rating for currency. In the short term, referenci

Eventually all addresses will contain coin from all other addresses, if they are spent. It's the Kevin Bacon rating for currency. In the short term, referencing Blockchain transaction over a given period of time, a destination address could be assigned a lower karma value for having a relationship with a bad actor address. The karma could be measured in amounts taken from other bad karma addresses. While your wallet may contain trace amounts of bad karma money, it eventually gets diluted over time. Maybe we could utilize a days destroyed karma as well.