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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.

Interesting development and good to see you looking into new algos.
BTW both POI and PoI look odd and, as you say, the standard web font makes it ambiguous - what about PoInt? The brain doesnt have to keep flipping as "POLINT" isn't a real word.

LOL, I like it, maybe we'll adopt the terminology and call it a PoInt system. :D

I get what you are saying, but it seems like a lose-lose proposition.

Either it's objective and people game it or it's subjective and people get butt-hurt.

The one thing I can guarantee is that it rewards the most active and loyal people in the Discord community and it determines who those people are by examining the entire day. There are some pretty smart ways of dodging spam and it doesn't matter what timezone you're in. Maybe just try it out for a few days and see what you think.

So consider to write an specific post about that, if possible, because from my point of view isn't clearly about prof-of-interaction. Mainly that are many people that don't like to use discord channel but use comments. I guess that's a prof-of-interaction. Don't?

PAL is a group that grew out of Steemit and the Discord server is a crucial part of the community. No one has to participate in the Discord group, just like they don't have buy miners. 10% of inflation goes to miners, 10% of inflation goes to PoI, 75% goes to PALnet.io. It's all in the white paper.