In October I noted IBM and Walmart had begun an experiment to use Blockchain for supply chain management of pork in China. In November they began a US pilot where one packaged produce item is being piloted through the distributed ledger technology. This morning a reporter contacted me -- a bit breathlessly -- about a rumor that Walmart has moved all fresh produce onto Blockchain. I don't think so. Not yet. I think IBM PR resurfaced the November pilot and it is being misread and misheard. But... right now I consider Blockchain-type tools to be the best bet for developing total transparency for demand and supply networks by tying payment to participation in the distributed ledger.
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