# DN-404 Explaination

DN404 is an efficient implementation of a co-joined ERC20 and ERC721 pair that offers full compliance with the ERC20 and ERC721 standards.\
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You can learn more about the DN404 standard created by Vectorized on Github!

{% hint style="info" %}
<https://github.com/Vectorized/dn404>
{% endhint %}


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