One of the reasons why level-6 symmetric blocks are valuable is their rarity.
With level-5, for every 20,000 blocks I can scan and find around 10 level-5 symmetric transaction strings. But with level-6, across the same 20,000 blocks, I can only find one transaction that meets the criteria. That’s not even counting blocks that contain fewer than a thousand transactions.
@prrfbeauty
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