Thanks for this easy to follow discussion, filtering out all the ‘wow wow’ comments that…
Joe Claxton

Not really. The work is required in order to choose one commonly recognized solution out of two or more possible ones. If we always choose the hardest this makes negating the current branch harder for the attacker. Because there is no inherent reason to prefer one branch over another, work is exerted to make one of the branches easily distinguishable and hard to negate.

Hope this explains it.

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