The rising global population has created an urgent need for increased food production. Food loss and waste
remain significant challenges throughout the food supply chain, from cultivation to consumption. Blockchain, a
decentralized peer-to-peer network that stores information can help making food more traceable, from production
to consumption. It can also help enhance food production sustainability, transparency, quality and
safety. By tracking all aspects of food it plays a crucial role in reducing food loss and waste. Several organizations
that have briefly introduced this technology, along with the Internet of Things, although the real benefit of
blockchain is achieved when several players in the food chain adhere to this technology. This review emphasizes
how blockchain was adapted to the food chain, its challenges, benefits and limitations, and how some food
sectors have used this technology. A brief perspective on how the Internet of Things and Blockchain will evolve in
the future.
