I have been learning about supply chain management use case of Blockchain, many of implementation mentioned that blockchain will give complete information about the product. like from where its raw materials come and where the product build and all logistic related information to their end customers. So my question is How the Blockchain stored all these metadata. as I know storing other information apart from transaction might be costlier.

  • Blockchains in general are expensive and even more Bitcoin's in particular to store data, so I ask... why? – Osias Jota Feb 19 '18 at 12:29

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