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It should be correct, you can directly compare the curation rewards of the two posts shown on my account history, nothing can be hidden from the blockchain :)

True :). All I really mean is that the whole curation reward thing is pretty complex to get your head around :)

Haha, yes it's quite complex and It may need some experts to come out and explain the whole thing. :)
But the crux just lies on timing and choosing undervalued posts that few people discovered. Like @neoxian also said in his comment that he has earned more than 40 Steem for curation rewards of one single post.

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