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. RESOURCES
  2. Frequently asked questions

How can one carbon pool token, like CHAR, represent one tonne of carbon?

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Last updated 16 hours ago

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When they're tokenized, carbon credits are represented as TCO2 tokens. When a TCO2 token is deposited in a carbon pool, it is locked, and a corresponding carbon pool token, like CHAR, is created.

Every carbon pool token in circulation is backed by a TCO2 token. This can be verified by looking at a third party website like a block scanner and inspecting the contents of the pool, or by auditing the contents using a function like .

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fetchPoolContents