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Using the derived methane tokens, an oil & gas facility (well) starts constructing an emission profile for its fuel production. The profile is digitally encoded as a non-fungible token (NFT) smart contract that tracks embedded methane emissions across fuel supply chain stakeholders. A carbon tracker NFT (C-NFT) has been implemented using the ERC-721 1155 standard as part of the Hyperledger Labs Net Emission Token (NET) network to issue, transfer, and retire carbon tokens by different accounts.
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