A vision for a transparent global Rare Earth Element system using blockchain technology
Provenance
AUGUST 13, 2018
In other words you cannot physically differentiate a sustainably sourced REE from a non-sustainably sourced REE without the use of tagging. However, tagging and tracking can often, as is the case here, be cost prohibitive. Physical tracking represents a costly and higher-risk option to implement in the short-term.
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