Can Blockchain based biometric systems be the answer to privacy concerns?

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. Integrating this revolutionary technology with biometrics can open up novel, more secure avenues for identity management and security. It can prove to be an effective way to avoid falling prey to cyber frauds, eavesdropping and hacking, which are becoming increasingly prevalent in todays connected world. The power that blockchain endows on people is that it can give them back ownership of their sensitive data to quite a large extent. With privacy concerns galore, blockchain-based biometrics can instill a renewed sense of security amongst consumers and corporations. Additionally, biometrics identity systems can also make lengthy, arduous processes revolving around identity verification much simpler, which gives users ownership of yet another asset they lose out on regularly – time. 

The need for blockchain-based biometrics

Physical identity proof documents such as driving license, passport, and aadhar card are essential to carry out some of the most basic tasks. However, in a technologically-advanced world where AI is capable of making restaurant reservations for us, carrying around physical copies of our IDs seems like a dated practice. Additionally, ID verification processes at places such as the airport, hotels, banks and more are always laboriously long. Arriving at an airport an hour before domestic flights and 2-3 hours before international ones seem like a colossal waste of time. In order to provide a more seamless experience, multiple airports and banks are beginning to…

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