> ## Documentation Index
> Fetch the complete documentation index at: https://sequence-0fb8d9e6-relayer_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-relayer_docs/qjv8AkSvLgOs-pJl/images/unreal/erc20.png?fit=max&auto=format&n=qjv8AkSvLgOs-pJl&q=85&s=bf134498f2e2d6e767c9f3683af8d9c1" 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-relayer_docs/qjv8AkSvLgOs-pJl/images/unreal/erc1155.png?fit=max&auto=format&n=qjv8AkSvLgOs-pJl&q=85&s=e1e9852ae9111ef64ac78613e3eb1073" 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-relayer_docs/6udOBi1aBhs72bAQ/images/unreal/erc721.png?fit=max&auto=format&n=6udOBi1aBhs72bAQ&q=85&s=18de2591de7177d5ee5a4510ce3adfcb" 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-relayer_docs/R0V8biC-PXwL8fXv/images/unreal/erc1155_sale.png?fit=max&auto=format&n=R0V8biC-PXwL8fXv&q=85&s=b69b5b71eb934500b509d9164bb9ad5d" 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-relayer_docs/6udOBi1aBhs72bAQ/images/unreal/erc721_sale.png?fit=max&auto=format&n=6udOBi1aBhs72bAQ&q=85&s=1b627365e67ddfc35a9ffa3360b85a28" width="2242" height="1184" data-path="images/unreal/erc721_sale.png" />
    </Frame>
  </Tab>
</Tabs>