Read Dhriti Datta take a look at whether blockchain based biometric systems can solve our privacy concerns on Digit :
Blockchain is a disruptive technological advancement designed specifically to ensure data of individuals or corporations remains secure. It is a decentralized database that is secured using cryptography. This means sensitive data does not need to pass through centralized data aggregators, be it private organizations or the government. Access to the data within the decentralized system is controlled by the individual who owns the data and they can choose to share it as they see fit.
Read her full article here.