> ## Documentation Index
> Fetch the complete documentation index at: https://sequence-0fb8d9e6-6461-checkout-updates.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-0fb8d9e6-6461-checkout-updates/MzDODqIFHAG7aopt/images/unreal/erc20.png?fit=max&auto=format&n=MzDODqIFHAG7aopt&q=85&s=ca7036ef97867344a2876d1d4cd710a1" 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-0fb8d9e6-6461-checkout-updates/MzDODqIFHAG7aopt/images/unreal/erc1155.png?fit=max&auto=format&n=MzDODqIFHAG7aopt&q=85&s=38c38d89ab26e0355d3abec8bebd26b7" 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-0fb8d9e6-6461-checkout-updates/MzDODqIFHAG7aopt/images/unreal/erc721.png?fit=max&auto=format&n=MzDODqIFHAG7aopt&q=85&s=a055bb8723c30c9a8bedba3c9ee0fcb3" 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-0fb8d9e6-6461-checkout-updates/MzDODqIFHAG7aopt/images/unreal/erc1155_sale.png?fit=max&auto=format&n=MzDODqIFHAG7aopt&q=85&s=604babc4d534980c7425c89b05ad9641" 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-0fb8d9e6-6461-checkout-updates/MzDODqIFHAG7aopt/images/unreal/erc721_sale.png?fit=max&auto=format&n=MzDODqIFHAG7aopt&q=85&s=e149ef693ff85a353b0ef906d4f2bafe" width="2242" height="1184" data-path="images/unreal/erc721_sale.png" />
    </Frame>
  </Tab>
</Tabs>