> ## Documentation Index
> Fetch the complete documentation index at: https://docs.allium.so/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

<CardGroup col={2}>
  <Card href="/historical-data/overview/data-faq/decoding/generic-decoded-schema-vs-project-specific-decoding">
    Generic Decoded Schema vs Project-Specific Decoding
  </Card>

  <Card href="/historical-data/overview/data-faq/decoding/identifying-erc404-tokens">
    Identifying ERC404 Tokens
  </Card>

  <Card href="/historical-data/overview/data-faq/decoding/erc20-erc721-and-erc1155-tokens-coverage">
    ERC20, ERC721 and ERC1155 Tokens Coverage
  </Card>

  <Card href="/historical-data/overview/data-faq/decoding/converting-hexadecimal-strings-to-integers">
    Decoding hexadecimal strings to integers
  </Card>

  <Card href="/historical-data/overview/data-faq/decoding/converting-base58-to-hexadecimal-string">
    Decoding base58 to hexadecimal strings
  </Card>
</CardGroup>