Beyond bitcoin: 4 surprising uses for blockchain

Actors Djimon Hounsou and Leonardo DiCaprio at the European premiere of "Blood Diamond" at the Odeon Cinema in Leicester Square, London January 23, 2007.

Djimon Hounsou and Leonardo DiCaprio starred in the 2007 movie "Blood Diamond". Blockchain technology offers a way to track the provenance of diamonds, including those mined in conflict zones. Image: REUTERS/Stephen Hird

Rosamond Hutt
Senior Writer, Formative Content
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