BMW want to use blockchain as proof for ethically sourced cobalt
▻https://www.reuters.com/article/us-mining-bmw-blockchain/uk-firm-pilots-using-blockchain-to-help-bmw-source-ethical-cobalt-idUSKBN1G
The pilot shows it is possible to give clean cobalt a barcode and enter the main stages of its journey on to an immutable ledger using blockchain technology, Johnson-Poensgen said.
Because that is an efficient way to prove cobalt is clean, he said it had the potential to cut regulatory compliance costs, although the economics still needed to be proved.