Oracle Magazine, May/June 2019
We need to demonstrate an unbroken chain of custody on the journey from mine to manufacture and also to reliably connect the input material to the output product at each processing step Doug Johnson Poensgen CEO Circulor ORACLE MAGAZINE MAY JUNE 2019 38 scalability and availability out of the box and thats what we get with Oracle blockchain Circulor was able to develop a production system from scratch spanning multiple companies in a few months The engagement with Oracle has been amazing he adds First Application Circulors first publicly announced application traces tantalum a rare mineral integral to capacitors which are used in millions of mobile devices and other electronic products A smartphone typically contains hundreds of capacitors Circulors system went live in three mines and an ore sorting facility in Rwanda in the fall of 2018 enabling manufacturers to track regulatory compliance and ethical practices more effectively than with stacks of paper attestations while also reducing cost Rwanda is the worlds largest tantalum exporter The problem is that the mineral could be smuggled in from neighboring Congo where its often mined by children or slave labor As a result US and EU regulations require companies to trace and report the source of the tantalum they use and demonstrate that it has been responsibly sourced But before blockchain it wasnt possible for them to create a foolproof traceability system which led to a black market for the mineral Tracing conflict minerals is particularly challenging because the raw materials are transformed into completely different products as they move along the supply chain The material
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