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How to list carbon credits for sale
- You must have carbon tokens (for example, TCO2's or C3T's) in your wallet. See the How to buy carbon credits article for more details.
Do listings expire?
Yes, Listings on Carbonmark have a default 90-day expiration date or lifespan from the date of creation. Once this period ends, a listing becomes expired and is no longer available for purchase. Sellers can opt to edit their listing before a listing expires.


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Depending on your login method and wallet used, you will need to interact with the wallet to accept the transaction.
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Success! Your carbon credit tokens are now listed on Carbonmark and available for purchase by other users. You can edit or delete your listing at any time.
When a buyer purchases your listing, the USDC is sent to your wallet. The sale will appear in the Activity feed of your profile.
Note: Listings on Carbonmark have a default 90-day expiration date.





I created a new listing but it does not seem to appear in the marketplace or my profile
If the transaction to create your new listing has been confirmed, the Carbonmark smart contract has recorded it and your listing will appear shortly.
However, due to technical complexities in the background, your listing might not be visible to you right away. In this case, please allow a few minutes to pass.
What is an expired or invalid listing?
Expired Listings: Listings on Carbonmark have a default 90-day expiration date or lifespan from the date of creation. Once this period ends, a listing becomes expired and is no longer available for purchase. Sellers can opt to edit their listing before a listing expires.
Invalid Listings: Invalid listings are those that can't be fulfilled. This could happen if the seller no longer possesses the digital carbon credit tokens listed in the offer.
Last modified 27d ago