It's more complex than just randomly picking people, I'll say that much. Maybe I'll break it down in the future, but it has a lot of thought put into it to prevent people from gaming it, so I don't want to exactly spell out every detail of how it works as that will just make it easier for the unscrupulous types that will inevitably look for attack vectors.
RE: PALnet Updates: PoI is Live and Decimal Precision is Coming