“What’s new and interesting is that the round was led by an individual — Y Combinator president Sam Altman — and that he, along with the other investors, plans to allocate 10 percent of the equity they are buying to Reddit users.
How exactly that’s going to be managed hasn’t yet been figured out (or, more importantly, approved by bankers and lawyers), but Altman said Reddit may dole out shares using a distributed accounting system, a la the bitcoin block chain.”