# 03. Transactions and Volume using DEX

Trading on DEXs should be your main source of smart contract interactions on Linea. You can make high Volumes and transactions count just by trading regularly on different protocols such as [**Echodex**](https://www.echodex.io/swap), [**Velocore**](https://linea.velocore.xyz/swap) or [**Pancakeswap**](https://pancakeswap.finance/)**.**

### [Echodex.io](https://www.echodex.io/)

EchoDex is a decentralized exchange that runs on Linea and Linea Testnet. 

* To swap on Echodex simply select two tokens you want to swap
* Choose amount to swap
* Confirm by clicking Swap button

<figure><img src="/files/O81Qzx42AgtvMhIOWW9C" alt=""><figcaption></figcaption></figure>

:brain:[*full Echodex manual*](/knowledge-base/protocols-guides/echodex.md)

{% hint style="info" %}
[Discover more DEXs here](/knowledge-base/blockchain-navigator-where-to-take-action/linea/swap.md)
{% endhint %}

### [Velocore.xyz](https://linea.velocore.xyz/swap)

Velocore allows users to swap assets on Linea network. Trading on Velocore can result with additional airdrop of TVC token.

<figure><img src="/files/iU27SZluDtAAhu25gjFo" alt=""><figcaption></figcaption></figure>

Swap on Velocore looks simmilar to using Echodex described above.

* Select tokens you want to swap
* Choose quantity to swap and confirm

:brain:[*check full Velocore manual here*](/knowledge-base/protocols-guides/velocore.md)

<figure><img src="/files/7fSlADOnujSPcGSj87nZ" alt=""><figcaption><p><a href="https://hub.airdrop.expert/overview/order-here">https://hub.airdrop.expert/overview/order-here</a></p></figcaption></figure>


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