Toucan Documentation
  • 🌱Introduction
    • Welcome to Toucan
    • Legal Disclaimer
  • 🌏Toucan
    • Bridging
      • Puro Carbon Bridge
        • Tokenization
        • Detokenization
    • Carbon Pools
      • How a Carbon Pool Works
      • Benefits of Pools
      • CHAR Carbon Pool
      • How to Buy CHAR
      • Deposits and Redemptions
    • Carbon Retirements
  • 🌿RESOURCES
    • Web3 concepts
    • Carbon markets
      • Carbon credits
    • Frequently asked questions
      • How do I use the Carbon Bridge?
      • How can one carbon pool token, like CHAR, represent one tonne of carbon?
      • Can I retire carbon pool tokens, like CHAR, to offset my emissions?
      • Where can I find the addresses of CHAR or other contracts?
      • How long does it take to bridge carbon credits?
      • What happens to a pool token if it is bridged to another network?
      • FAQ for transition to Open Source
    • Archives
      • Verra Bridge [Deprecated]
      • Pool Acceptance Criteria: NCT, BCT
      • NCT Pool Report
    • Audits
  • 💻Developers
    • Toucan for developers
    • Smart contracts
      • Carbon pool contracts
      • TCO2 contracts
      • Retirement certificates
      • OffsetHelper
    • Subgraphs
    • Toucan SDK
      • Quickstart
      • Contract interactions
      • Subgraph interactions
    • Tools + examples
      • Integration examples
      • Testnet faucets
      • Dune dashboard
    • Developer support
      • Error codes
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  1. Toucan

Carbon Retirements

PreviousDeposits and RedemptionsNextWeb3 concepts

Last updated 8 months ago

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When a business or individual chooses to compensate their emissions with carbon credits, the credits must be permanently removed from circulation. The process of retiring – and irrevocably removing from circulation – tokenized carbon credits can be done through the Toucan app UI or programmatically.

Only TCO2 tokens can be retired on Toucan. Carbon pool tokens such as CHAR must be redeemed for underlying TCO2 tokens. Retirements performed on Toucan will be synced with the Puro Registry.

Developers looking to perform retirements using code should refer to .

Guide to Retirement Through Toucan's App UI

  1. Connect your wallet holding TCO2 tokens to our app at . You'll then see your TCO2s displayed under the "My Carbon Assets" section. Click Retire.

  1. Select how many TCO2s you'd like to retire, and then click Continue.

  2. Add relevant information, including:

    1. The name of the individual or organization performing the retirement

    2. The name of the individual or organization on who’s behalf the retirement is for

    3. The wallet address on who’s behalf the retirement is for, if available

    4. A message to your retirement transaction (e.g. a reason; max. 200 characters)

  3. Click Request retirement

Once submitted, your retirement will enter a pending state until finalized in the Puro Registry. You can track the status of your submitted retirement at . It typically takes 2-3 business days for a retirement to finalize.

Lastly, Toucan will issue you a retirement certificate, viewable from . You may also download the certificate as a PDF.

🌏
https://app.toucan.earth/retirements
https://app.toucan.earth/retirements
Toucan for Developers
https://app.toucan.earth/