> For the complete documentation index, see [llms.txt](https://docs.unimarkets.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.unimarkets.io/platform-guide/platform-overview/key-platform-concepts.md).

# Key Platform Concepts

{% tabs %}
{% tab title="Fee Structure" %}

#### **Fee Structure**

* **5% UniMarkets fee per trade**
* Additional platform fees
* Blockchain gas fees
  {% endtab %}

{% tab title="Non-Custodial Model" %}

#### **Non-Custodial Model**

Users always control their funds:

* No private key storage by platform
* Full wallet ownership
* Direct blockchain execution
  {% endtab %}

{% tab title="Supported Networks" %}

#### **Supported Networks**

* BNB
* Arbitrum
* Base
* Polygon
* Ethereum
* Solana

<pre><code><strong>Note : Other Chains are WIP
</strong></code></pre>

{% endtab %}
{% endtabs %}

#### **Core Value Proposition**

The biggest advantage of Unimarkets is **aggregation**:

* Same market across multiple platforms
* Different prices and liquidity
* Best execution automatically selected

This enables:

* Better pricing
* Arbitrage opportunities
* Faster decision-making