Fighting Fraud in the Food Chain

Could blockchain technology solve the global problem of food fraud? Rahul Tandon reports on a meat scandal in India and Manuela Saragosa speaks to Jessi Baker, the boss of Provenance, a company that uses the blockchain to make supply chains more transparent, and to Chris Elliott from the Institute for Global Food Security at Queen's University in Belfast in the UK.

(Photo: Cow farming in the UK, Credit: Getty Images)