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Using the same user is not optimal. If you want to optimize your curation rewards you should have 2 different users as the curation for each on the same post might deffer.
But I discovered that fun is more important than petty calculations and that since I don't yet have much Leo I can at least give some of my hp in voting.
This is whats great in the crypto abindance - not the ability to take but the ability to grow and give back.