> ## 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

Arbitrum One is a Rollup Chain that inherits Ethereum's base-layer security, with transactions costing a fraction of what they do on mainnet.

<Card href="https://developer.arbitrum.io/">
  More about Arbitrum
</Card>

### Arbitrum Tables

Our Arbitrum data includes the following schemas and tables:

<table><thead><tr><th width="138.00000000000003">Schema</th><th width="340">Description</th><th>Tables</th></tr></thead><tbody><tr><td>Raw</td><td>Raw blockchain data.</td><td>blocks, transactions, logs, traces</td></tr><tr><td>Raw+</td><td>Deployed contracts with bytecode and ERC token data.</td><td><p>contracts, <br />erc20\_tokens, </p><p>erc721\_tokens, erc\_1155\_tokens </p></td></tr><tr><td>Assets</td><td>Token transfers for ETH and ERC tokens. </td><td><p>fungible\_token\_transfers,</p><p>native\_token\_transfers,</p><p>erc20\_token\_transfers, <br />erc721\_token\_transfers, erc1155\_token\_transfers</p></td></tr><tr><td>DEX</td><td>DEX trades, liquidity pool deployed and events (mints and burns) for Uniswap v3 protocol.</td><td>trades, pools, events</td></tr></tbody></table>

*\*Please contact us if you like more protocols to be supported.*

*Our Arbitrum data tables are structurally similar to Ethereum across all schemas.*