I thought about this... There should be a way of adding to the whitelist efficiently. ie "Hacker News is trying to communicate with you; do you want to add the

I thought about this... There should be a way of adding to the whitelist efficiently. ie "Hacker News is trying to communicate with you; do you want to add them to your whitelist? Your ISP has authenticated them using..." Replace ISP by trust ring or any other third party you trust. (You may not trust your ISP of course...)