# Oracles

AGDEX utilizes the decentralized Pyth network, which provides up-to-date token prices data to smart contracts on APTOS Mainnet.

<mark style="color:orange;">**Responsibilities of an oracle**</mark>

* Updates, stores, and distributes up-to-date token prices relevant to the system.
* Disables exchange functionality if prices are not fresh.
* Provides functionality to perform exchange rate conversions.

More about Pyth: <https://pyth.network/>


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```
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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.