# Vaults

**Introducing art into the collection**

You may have noticed the [metadata field](/cryptoart/the-project/web3/metadata-definitions.md) `Acquisition Method`.  This pertains to how we curate and acquire new art that is introduced into the collection. *Vaulted* art is derived from an existing NFT we purchased, vaulted, and released as a limited edition into the collection.  Refer to the `ref` field to determine the underlying NFT.  *Commissioned* art is specifically created by artists for the collection.  

| Acquisition Method | Comments                                                                                                                                                          |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Vaulted            | Derived from an existing NFT and released as a limited edition into the collection.  The last owner of a Cryptoart NFT can burn it in exchange for the `ref` NFT. |
| Commissioned       | Commissioned specifically for the Cryptoart collection.                                                                                                           |

{% hint style="info" %}
We are blockchain agnostic and will vault NFTs from any major chain.  Vault addresses will soon be found at [cryptoart.org](https://cryptoart.org).
{% endhint %}


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