# Aera Introduction

Aera is a treasury management protocol that attempts to address existing shortcomings with controlling treasury funds. Aera supports:

* **Robust Asset Selection** No need to plan strategies. Just pick assets.
* **Efficient Purchasing** Remove bureaucracy from DAOs.
* **Decentralized Active Management** Market aware & tailored to your protocol.

### Guides

Learn about how to interact with Aera whether as a direct user (Treasury), Arbitrageur or to earn rewards as a Vault Guardian.

{% content-ref url="guides/treasuries" %}
[treasuries](https://docs.aera.finance/v1-archive/guides/treasuries)
{% endcontent-ref %}

Use Aera to protect your users from shortfalls.

{% content-ref url="guides/arbitrageurs" %}
[arbitrageurs](https://docs.aera.finance/v1-archive/guides/arbitrageurs)
{% endcontent-ref %}

Access liquidity guarded by Aera.

{% content-ref url="guides/vault-guardians" %}
[vault-guardians](https://docs.aera.finance/v1-archive/guides/vault-guardians)
{% endcontent-ref %}

Become a Treasury Vault Guardian.

{% content-ref url="guides/developers" %}
[developers](https://docs.aera.finance/v1-archive/guides/developers)
{% endcontent-ref %}

Build on top of Aera.

### Key Concepts

Learn how the Aera system protects treasuries.

{% content-ref url="concepts/objective-function" %}
[objective-function](https://docs.aera.finance/v1-archive/concepts/objective-function)
{% endcontent-ref %}

{% content-ref url="concepts/withdrawal-validator" %}
[withdrawal-validator](https://docs.aera.finance/v1-archive/concepts/withdrawal-validator)
{% endcontent-ref %}

{% content-ref url="concepts/aera-vault" %}
[aera-vault](https://docs.aera.finance/v1-archive/concepts/aera-vault)
{% endcontent-ref %}

{% content-ref url="concepts/vault-guardian" %}
[vault-guardian](https://docs.aera.finance/v1-archive/concepts/vault-guardian)
{% endcontent-ref %}