# veSOLID (Ethereum)

These contracts create **an any-ERC20-for-any-ERC721 exchange**. 

Visit <https://marketplace.openxswap.exchange/> and select ETH from the Networks tab.

<figure><img src="/files/6psOdA9QsJlwFdH6BHWq" alt=""><figcaption></figcaption></figure>

Select the Solidly Collection and select click the "List NFT" button to begin the listing process.

<figure><img src="/files/gHUPj1l0GOCiJugDZnEj" alt=""><figcaption></figcaption></figure>

Enter the Token ID of the veNFT you wish to list and click "Next."

<figure><img src="/files/Ek9ndKuTCNvgnuWhP2C4" alt=""><figcaption></figcaption></figure>

This screen will appear. Click "Select Token" to select the ERC20 you wish to receive for your veNFT.

<figure><img src="/files/fyBfx0ZPg6tMvykQRdbK" alt=""><figcaption></figcaption></figure>

This box will pop up. Select the token you wish to receive, then click "Sell."

<figure><img src="/files/p29i9tVkf79ZxMEoauY4" alt=""><figcaption></figcaption></figure>

If you wish to make the listing private, select "Private Listing" and add the addresses you wish to whitelist for the transaction. No other addresses will be able to purchase the private listing.

<figure><img src="/files/6qr1GZr8faPIklaKRu3b" alt=""><figcaption></figcaption></figure>

Once the user has stipulated their offer, two transactions are needed to finalize the listing.&#x20;

<figure><img src="/files/P6PQLwesymL5AvCihQ7H" alt=""><figcaption></figcaption></figure>

To view your listing, return to the Collection or click the "My Listings" tab. To cancel your listing, select the listing in question, click the following icon, and execute the removal transaction.

<figure><img src="/files/M3fqf9hvtXKLYrzJoubB" alt=""><figcaption></figcaption></figure>

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**NOTE:** Listing an NFT creates an open offer valid for **one month** by default. The timeline of a listing can be changed before submitting the transaction, but this is not currently offered via UI.&#x20;


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