Secure and Transparent Vaccine Supply Management through Blockchain

Abstract

With global health crises like COVID-19, making sure vaccines are safe and traceable has become very important. Blockchain technology offers a strong solution to improve vaccine supply management and stop the spread of fake vaccines. It does this by creating secure, unchangeable, and decentralized records. This paper explores how blockchain can track every step of a vaccine’s journey from production to delivery. Technologies like Ethereum, smart contracts, cloud storage, and QR codes are used to make the process more efficient and transparent. Smart contracts help ensure that only approved vaccines move forward, and QR codes allow people to check if a vaccine is real. Cloud systems also help monitor storage conditions like temperature. Although blockchain has many benefits, there are still challenges like privacy issues, scalability, and legal regulations. The project looks at possible solutions to these problems, aiming to build a secure, reliable, and global system for managing vaccines.