> For the complete documentation index, see [llms.txt](https://the-squids-nft.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://the-squids-nft.gitbook.io/docs/tutorials/buy-usddna.md).
# Buy $DNA
You can buy $DNA directly on the website with a straightforward procedure.
In order to buy some, you will however need MATIC to pay for the gas fees\
You can convert your ETH to matic using 1inch **decentralized exchange**\
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[**https://app.1inch.io/#/1/swap/ETH/MATIC**](https://app.1inch.io/#/1/swap/ETH/MATIC)\
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**after getting matic from the etherum blockchain, simply bridge it using Polygon bridge here:**\
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[**https://wallet.polygon.technology/**](https://wallet.polygon.technology/)\
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**You don't need much Matic for transaction fees, $1-$5 of it will be plenty enough for multiple transactions.**
!\[Input the number of $DNA you wish to purchase and click on "Buy" then confirm the transaction on MetaMask
To add the "WETH" token which is the bridge Ethereum on polygon, click on "Add token" on your MetaMask (Polygon Network)
You need to copy and paste this address:
0x7ceb23fd6bc0add59e62ac25578270cff1b9f619
You will need Wrapped ETH to but $DNA, the simplest way is to use the polygon bridge to put your ETH from the Ethereum network to the Polygon network
]\(/files/ufnVycspJETqPNp197hN)
You can also directly buy $DNA on Uniswap with this link: \
!\[Make sure to select the polygon network at the top.
You will need WETH (Ethereum on the polygon chain)
Click on "Select a token" to add the $DNA token
Click on "Manage Token lists" then on Tokens.
Past the $DNA token address which is this one: 0x1fed6C2f27Da508997Ef454F33Af0015bd7d22e0
then click on Import.
]\(/files/y9GxYQOMC2KvDbPNDPKF)
You should be able to Buy and Sell $DNA on UniSwap now.