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Billions are being poured into startups working on blockchain, the technology behind Bitcoin. Supporters say it could become as disruptive as the internet. But how can we tell if they're right?

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11 minutes

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Mon 1 Jul 2019 03:50GMT
蜜芽传媒 World Service South Asia

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Concept illustration of blockchain (Credit: Getty Images)

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  • Sat 29 Jun 2019 04:50GMT
    蜜芽传媒 World Service except East and Southern Africa & South Asia
  • Sat 29 Jun 2019 13:50GMT
    蜜芽传媒 World Service News Internet
  • Sun 30 Jun 2019 14:50GMT
    蜜芽传媒 World Service except Americas and the Caribbean, East Asia & South Asia
  • Sun 30 Jun 2019 21:50GMT
    蜜芽传媒 World Service except East and Southern Africa & West and Central Africa
  • Sun 30 Jun 2019 22:50GMT
    蜜芽传媒 World Service East and Southern Africa & West and Central Africa only
  • Mon 1 Jul 2019 03:50GMT
    蜜芽传媒 World Service South Asia

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