# USD0a

## Overview

USD0a is a yield-bearing accrual asset designed for secure and seamless use across the DeFi ecosystem. It is fully backed by USDC, USTB and USCC tokens, offering enhanced security without reliance on traditional banks. The coin is permissionless and easily integrable, with real-time reserve transparency provided by fund administrators. USD0a consolidates liquidity from diverse sources and utilizes an innovative mint engine for efficient collateralization, with its price determined by the value of the underlying collateral and the total supply, generating yield for holders and providing a transparent, collateral-backed asset for the DeFi ecosystem.

<details>

<summary><strong>How to Mint USD0a</strong></summary>

USD0a tokens can be minted through Usual's counter in two ways:

1. **Direct Mint:** By depositing an eligible RWA into the protocol to receive an equivalent amount of USDa depending on its actual price.
2. **Indirect Mint**: By depositing USDC into the protocol to receive an equivalent amount of USDa depending on its actual price. In this method, a third party known as the Collateral Provider (CP) supplies some USDC, enabling users to obtain USD0a with a discount amount.

</details>

<details>

<summary><strong>How to Redeem USD0a</strong></summary>

USD0a tokens can be redeemed in two ways:

1. **Withdrawal of Underlying Assets**: Users can withdraw the Real World Asset (RWA) underlying the USD0a token directly with the Usual dApp

</details>

## Smart Contract

{% content-ref url="/pages/PEM5Zae6N4OwXnZqAgda" %}
[USD0a](/smart-contracts/protocol-contracts/usd0a.md)
{% endcontent-ref %}


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