{% docs marketplace_version %}

The version of the NFT marketplace protocol used for the transaction. This field identifies the specific version of the marketplace program that facilitated the NFT sale.

- **Data type:** STRING (e.g., 'v1', 'v2', 'v3')
- **Business context:** Used to track protocol evolution, feature adoption, and user migration between marketplace versions.
- **Analytics use cases:** Marketplace upgrade impact analysis, version adoption trends, and protocol migration studies.
- **Example:** 'v2'

{% enddocs %} 