# How to get sUSD

## Why do I need sUSD?

Kwenta quotes its asset prices against sUSD. Traders that want to purchase synthetic assets, open a Futures position, or leverage any of the financial tools provided by Kwenta will need to do so in sUSD.

Supporting sUSD helps Kwenta stay true to its decentralized ethos. sUSD is a fully decentralized stablecoin minted by [Synthetix](https://synthetix.io/), a decentralized liquidity protocol. sUSD, because of its decentralized issuance, cannot be muted, blocked, or stopped.

## Getting sUSD on Optimistic Ethereum

{% hint style="info" %}
In order to be able to get (swap) sUSD on Optimism you must have already bridged eligible ERC-20 tokens via a bridge. A tutorial how to use bridges [can be found here](https://docs.kwenta.io/overview/getting-started-on-optimistic-ethereum).
{% endhint %}

First, head over to [Kwenta Exchange](https://kwenta.eth.limo/exchange/).

<figure><img src="https://2231722757-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MigG4JjHTDtxrb2SknW%2Fuploads%2F67LHk5qLlv4pz2TDJJFi%2Fimage.png?alt=media&#x26;token=7018b136-f931-4886-8561-833cf83a768e" alt=""><figcaption></figcaption></figure>

Connect your web3 wallet to Uniswap and make sure the `Optimistic Ethereum` network in your wallet is selected.

![](https://2231722757-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MigG4JjHTDtxrb2SknW%2Fuploads%2Fgit-blob-42803892c67da53e560b1a5246e7bee74c56c863%2Fmetamask_networks.png?alt=media)

Swap from any supported ERC-20 token to sUSD

{% hint style="info" %}
Remember to always keep some ETH in your wallet to pay for transaction fees
{% endhint %}

<figure><img src="https://2231722757-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MigG4JjHTDtxrb2SknW%2Fuploads%2F2axzqg9hWmLfMrGCwsdA%2Fimage.png?alt=media&#x26;token=b0a2ef3c-ac4b-4e31-b044-4fa13f13bf70" alt=""><figcaption></figcaption></figure>

You now have sUSD to trade on [Kwenta.](https://kwenta.eth.limo/)