> For the complete documentation index, see [llms.txt](https://litepaper.mopn.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://litepaper.mopn.xyz/collection-open-rule.md).

# Collection Open Rule

The collection open rule was designed to protect against sybil attacks in the early stages, and  collections are gradually unlocked and available for placement on the MOPN map as specific Map Point milestones are reached.

* Stage #1 
  * MOPN Point > 0
  * Open the top 15 collection, check the list at [snapshot](https://dune.com/mopn/collection-open-rule)
* Stage #2
  * MOPN Point > 30000
  * Open the next top 50 collection, check the list at [snapshot](https://dune.com/mopn/collection-open-rule)
* Stage #3
  * MOPN Point > 100000
  * Open the all collection

On December 4, 2023, at 00:00:00 UTC, a [snapshot](https://dune.com/mopn/collection-open-rule) was taken of an ERC721 collection on Ethereum. This snapshot considered the past 30 days' transaction volume, owner count, and total supply to calculate a ranking score.

$$
Score = (\text{Past 30 days volume})^2 \cdot \frac{\text{total owner}}{\max(\text{supply}, 10000)}
$$


---

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