Smart agriculture is featured by the utilization of ICT, internet of things (IoT), and various modern data collection and analysis technologies including unmanned aerial vehicles (UAV), sensors and machine learning. A key issue of establishing smart agriculture is developing a comprehensive security system that facilitates the use and management of data. Traditional ways manage data in a centralized fashion and are prone to inaccurate data, data distortion and misuse as well as cyber-attack.

blockchain technology helps establish a trust relationship with consumers and build up the reputation of their products, by transparently providing individual product information in the blockchain. Enterprises can better achieve the value of their products and thus increase their competitiveness. This would make it difficult for suppliers of fraud and low-quality products to stay in markets and force all suppliers to improve the quality of products in the whole agricultural and food sectors. From the consumers’ perspective, the blockchain makes true and reliable information about how food is produced and transacted available. It helps address consumers’ concern about the safety, quality and environmental friendliness of food