Tracing every ingredient on your plate

Available for over a year

Jessi Baker is the founder of Provenance, a social enterprise project in the UK that uses blockchain technology to help food companies be more transparent about the origins and histories of products their products. She tells Emily Thomas exactly how it works, and how consumers my soon be able to scan their food to find out exactly where it came from. (Photo: Friends eating a pizza using a tablet Credit: Getty Images)