This is due to security reasons. Someone can create a second account and upvote all their own post for example. It is also a incentive to not stick with one post for too long.
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This is due to security reasons. Someone can create a second account and upvote all their own post for example. It is also a incentive to not stick with one post for too long.
even if they do that they wont get any money because of their steem power
Good explanation actually