> For the complete documentation index, see [llms.txt](https://docs.gravitaprotocol.com/gravita-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gravitaprotocol.com/gravita-docs/how-does-gravita-work/oracles.md).

# Oracles

Gravita uses the [industry standard decentralized oracles Chainlink](https://docs.chain.link/data-feeds) as its primary oracle which provides highly secure and reliable, tamper-resistant data feeds.&#x20;

Chainlink oracles are used across the following markets:<br>

| Network       | Asset   |
| ------------- | ------- |
| Ethereum      | rETH    |
| Ethereum      | weETH   |
| Ethereum      | RPL     |
| Ethereum      | WETH    |
| Arbitrum      | wstETH  |
| Arbitrum      | weETH   |
| Arbitrum      | sfrxETH |
| Arbitrum      | WETH    |
| Linea         | wstETH  |
| Linea         | weETH   |
| Linea         | WETH    |
| Optimism      | wstETH  |
| Optimism      | rETH    |
| Optimism      | WETH    |
| Polygon zkEVM | rETH    |
| Polygon zkEVM | WETH    |

<br>
