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I see there always being some issue to deal with bots/sybil. My reasoning behind the >30 rep was to still give a little more weight to more established/higher rep accounts since those are harder for bots to reach. But I absolutely understand the want to minimize necessary calculating, especially with the frequency you'd be doing this.

I don't know off hand someone to write the script, but you may drop a message into general or dev steemit.chat rooms, or make a post into #dev category offering a few SD for someone to write.

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