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The results of the carbon neutrality audit would be published and made publicly available, so the company's customers could use it in their carbon calculations, just as the company did for its supplier. Question: Should this be signed and published on IPFS?If the company does not want to publish this publicly, it could be kept in a permissioned ledger just for its supply chain partners. If needed, the published results of the carbon neutrality audit could also be embedded in tokens and attached to actual products as they flow through the supply chain.
Then we'll have a second company C2 with the same setup, but which purchases the products of C1. It will obtain the carbon neutrality certification for C1 and use it for its own carbon audit and carbon neutrality certification.