The decentralization is maybe the key purpoted advantage of blockchain. I don't think it's tremendously useful, but hey, it's what people cite as a major advant

The decentralization is maybe the key purpoted advantage of blockchain. I don't think it's tremendously useful, but hey, it's what people cite as a major advantage. If you're proposing switching to a centralized authority to determine carbon credits, well, we already have that: carbon tax credits for out existing financial system. Carboncoin already exists.