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Blockchain: Spreading trust

Bitcoin is a digital currency that isn't regulated by any kind of central authority. The structure which allows this decentralisation is called blockchain. But how, and how well, does it work?
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Maths and politics

Mathematicians like to think that their field transcends politics, but as this brief history of the International Congress of Mathematicians shows, international mathematics has always been coloured by world events.
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An interview with Jack Thorne

We talk to Jack Thorne about his lecture at the ICM 2018 and his work "faceting the gem stone" in number theory.