Nowadays, TRUST between people is very fragile. Even if it is destroyed only once, people will never forget that experience. Especially in the food sector, trust is much more important. At the end of 2015, due to the outbreak of E. coli, the profits of Mexico's Chipotle Company decreased by 44% compared with the same period of the previous year. Since then, even if the company planned to give millions of coupons to attract customers and provide free things, it is difficult to completely restore the trust of customers. Blockchain-based solutions have been used in industries such as pharmaceuticals and gold production. Currently, they can also be applied to the food industry. Here's how the technology can regain consumer confidence and re-establish consumers' trust in the food industry. Food Sources Every year, 1 out of 10 people suffer from food problems and 400,000 people die from it. The reason is that it takes too long to recall or resolve pollution problems in...