> ## Documentation Index
> Fetch the complete documentation index at: https://sequence-0fb8d9e6-api_docs.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Smart Contracts

> Documentation for Unreal SDK API for reading from the blockchain with the Sequence infrastructure stack for web3 gaming.

## ERC20

Construct an ERC20 object to create transactions for custom currencies.

<Tabs>
  <Tab title="Blueprint">
    <Frame>
      <img src="https://mintcdn.com/sequence-0fb8d9e6-api_docs/FFhkfZMEs3Sxq_XK/images/unreal/erc20.png?fit=max&auto=format&n=FFhkfZMEs3Sxq_XK&q=85&s=491238292bc4a5af51f2f0d85b91fc3d" width="2242" height="1184" data-path="images/unreal/erc20.png" />
    </Frame>
  </Tab>
</Tabs>

## ERC1155

Construct an ERC1155 object to create transactions for semi-fungible tokens.

<Tabs>
  <Tab title="Blueprint">
    <Frame>
      <img src="https://mintcdn.com/sequence-0fb8d9e6-api_docs/FFhkfZMEs3Sxq_XK/images/unreal/erc1155.png?fit=max&auto=format&n=FFhkfZMEs3Sxq_XK&q=85&s=ba526b5a36be3cbc704a95db2afc0451" width="2242" height="1184" data-path="images/unreal/erc1155.png" />
    </Frame>
  </Tab>
</Tabs>

## ERC721

Construct an ERC721 object to create transactions for non-fungible tokens.

<Tabs>
  <Tab title="Blueprint">
    <Frame>
      <img src="https://mintcdn.com/sequence-0fb8d9e6-api_docs/auazpVRK2iFuGS6h/images/unreal/erc721.png?fit=max&auto=format&n=auazpVRK2iFuGS6h&q=85&s=3a55f9c4cc5dcf4fc5a94c7813e6ce67" width="2242" height="1184" data-path="images/unreal/erc721.png" />
    </Frame>
  </Tab>
</Tabs>

## ERC1155 Sale

Construct an ERC1155 Sale object to create transactions for custom currencies.

<Tabs>
  <Tab title="Blueprint">
    <Frame>
      <img src="https://mintcdn.com/sequence-0fb8d9e6-api_docs/CmKz04BVDGuy1x-Z/images/unreal/erc1155_sale.png?fit=max&auto=format&n=CmKz04BVDGuy1x-Z&q=85&s=d0dba6442432f0cf66c0f804cfefc3d2" width="2242" height="1184" data-path="images/unreal/erc1155_sale.png" />
    </Frame>
  </Tab>
</Tabs>

## ERC721 Sale

Construct an ERC721 Sale object to create transactions for custom currencies.

<Tabs>
  <Tab title="Blueprint">
    <Frame>
      <img src="https://mintcdn.com/sequence-0fb8d9e6-api_docs/auazpVRK2iFuGS6h/images/unreal/erc721_sale.png?fit=max&auto=format&n=auazpVRK2iFuGS6h&q=85&s=10e3dea23f561b6235d9d2dc21d79f8e" width="2242" height="1184" data-path="images/unreal/erc721_sale.png" />
    </Frame>
  </Tab>
</Tabs>