It's as easy as clicking "install" i think. The extension itself is not complex to implement at all and it could be done in a week or so. The backend is a different story.
It could be that only those who have installed the extension would see how much others are tipping (via discrete text appended somewhere near username).
the other way to do it is to make it so you can only tip other users who have the plugin installed. but this kills off the network effects and i'd guess the thing would be DOA after it drops off the front page.
(yeah, I thought of this too a while ago but abandoned the idea :))
PS: By the way, to viach, mrfussion, and gfodor: I've already got a backend system built using Tornado and ZeroMQ for a Bitcoin POS that could be adapted to this scenario fairly easily, and it would scale well. But how to notify new users without pissing everyone else off....
If people want the money let them come to you. If it's unclaimed after a year the policy could be that you'd donate it to charity. Which would keep with the spirit of tipping. (Or unclaimed funds could be divided between existing users each year, or returned.)
There are lots of things you could do.
Another interesting idea is to have a finders fee. So If an existing user helps track down the owner of an unclaimed account, they get a fee like 10%.
Completely agree with that. It is enough to reply with "dogetip+1" for example, where "dogetip" is the bots website name.
>> easy way to send the coins to new users that doesn't require a sign-up
HN has "about me" field, right? What if user puts his wallet id there? We don't need him to sign up then.