Home » BBC News - Technology » technology news » The woman using technology to prove where food comes from The woman using technology to prove where food comes from Unknown 4:40 PM BBC News - Technology technology news Jessie Baker's firm Provenance tracks the source of food using pioneering blockchain technology. from BBC News - Technology http://ift.tt/2kAqAyE Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati