> For the complete documentation index, see [llms.txt](https://docs.shopnext.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.shopnext.io/whitepaper/how-to-play/what-are-nft-cards-bonus-cards.md).

# What are NFT cards (bonus cards)?

The NFT cards are unique digital collectibles issued by ShopNEXT on the blockchain. NFT cards (bonus cards) are divided into 4 types based on their earnings. It helps you to earn up to 40% more cashback on partnered deals. 

## <mark style="color:purple;">NFT Card</mark> (bonus card) <mark style="color:purple;">attributes</mark>

NFT cards are unique and differentiated by 4 [attributes](broken://pages/nD08j1s5eKJb8KsS3zwY): Earning, Karma, Capacity, and Power.&#x20;

* **Earning**: Determine how much rewards owners can earn (vary from 1 to 100). Earning can be increased by [boosting](/whitepaper/how-to-play/what-are-nft-cards-bonus-cards/boost-nft-cards-bonus-cards.md).
* **Karma**: Determine how lucky the owner is in opening card cases (vary from 1 to 100).
* **Capacity**: Determines how resilient the card is (vary from 1 to 100).
* **Power**: Determines the energy level of each card. An unused NFT card will have 100% power which will be decayed after every usage depending on its capacity index.

<figure><img src="/files/hAK0eM7m8yww9EQXNrQ1" alt=""><figcaption></figcaption></figure>

## <mark style="color:purple;">NFT Card</mark> (bonus card) <mark style="color:purple;">types</mark>

Up to Earning index, there are 4 types of NFT cards:

* Bronze: Default earning from **1 - 15**&#x20;
* Silver: Default earning from **25 - 40**&#x20;
* Gold: Default earning from **50 - 65**&#x20;
* Platinum: Default earning from **75 - 90**

With a same reward index, the higher Earning index of your NFT card, the more NFT card rewards you can earn.

<figure><img src="/files/w9ATrCJMiN0BMR0WFNW7" alt=""><figcaption></figcaption></figure>

## <mark style="color:purple;">How to own NFT cards</mark> (bonus cards)<mark style="color:purple;">?</mark>

Users can obtain NFT cards by:&#x20;

* Open an airdropped/giveaway NFT card case.
* Open a [redeemed NFT card case](/whitepaper/how-to-play/what-are-nft-cards-bonus-cards/redeem-and-open-nft-card-case-bonus-card-case.md).
* Buy NFT cards directly on the in-app NFT marketplace.

{% hint style="info" %}
All users can buy NFT cards and apply them to earn extra NEXT on shopping.
{% endhint %}