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With Walmart adopting IBM’s blockchain technology for all its U.S. suppliers, Big Blue has found a path toward monetizing one of its most promising technologies. The blockchain is good for much more than just crypto-currencies, its potential in logistics is vast. At Bloomberg, Olga Kharif reports:

After several years of tests,ย Walmart Inc.ย is ready to mandate use of blockchain technology by a swath of its U.S. suppliers, marking one of its biggest commercial uses.

Starting in September 2019, Walmart and its Samโ€™s Club division will require suppliers of fresh, leafy greens to implement real-time, end-to-end traceability of products back to the farm using a digital ledger developed byย International Business Machines Corp.ย The worldโ€™s largest retailer plans similar mandates for other fresh fruit and vegetable providers within the next year, according to Frank Yiannas, vice president of food safety.

โ€œItโ€™s becoming a business requirement, itโ€™s a part of our supplier agreements,โ€ Yiannas said in an interview. The goal is to speed up response times in case of food-borne illnesses and recalls.

Walmartโ€™s move shows that IBMโ€™s huge bet on blockchain, the technology that underpins the digital currency Bitcoin, is starting to pay off. With the leafy-greens mandate, more than 100 companies will be required to use IBMโ€™s blockchain service, according to Walmart.

More vendors will join in as the mandate is expanded. While IBM offers users of the service a free tier, many are expected to pay a fee, which will start at several hundreds dollars a month for a company with less than $50 million in revenue, according toย Brigid McDermott, a company vice president.

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