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

# Alephium (ALPH)

> How ALPH is used on Aura — and why you don't need to hold it.

Aura runs on the Alephium network. While trading on Aura is collateralized in
USDT, the Alephium protocol still uses **ALPH** for transaction execution
(gas) and certain on-chain storage deposits (such as map-entry and contract
deposits).

## What you pay with

| Need                                     | Asset                         |
| ---------------------------------------- | ----------------------------- |
| Trading, fees, payouts                   | **USDT**                      |
| Network execution costs (gas / deposits) | Handled automatically by Aura |

Aura covers the ALPH required for gas and any related on-chain deposits
through atomic swaps at transaction time, so you generally do **not** need to
hold ALPH to use Aura. In practice, users only need USDT to trade (including
passkey-based onboarding).

## Fee collection

All market activities incur a small and consistent trading fee, collected
exclusively in USDT:

* **Trading fee** — 2.5% on executed volume, charged in USDT
* **Distribution** — fees are transparently distributed between market
  creators, voters (in case of disputes), referrers, and the Aura treasury
  based on clearly defined and tier-based sharing structures.

This straightforward approach simplifies user interactions and maintains a
transparent, fair economic model within the Aura ecosystem.