Conflict Minerals: Gold Market Mulling Blockchain for $200 Billion of Supply

Jan 23, 2018 | Eddie Van Der Walt and Ranjeetha Pakiam, Bloomberg
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Gold is going digital. Blockchain technology may help keep track of the roughly $200 billion of the precious metal dug from remote mines, traded by middlemen and melted down by recyclers that’s sold each year to buyers scattered around the world.