Since the use of personal data everywhere acquires great importance the safety of personal data. Blockchain technology provides secure decentralized storage of personal data.
Security of personal data is very important and many people do not know how their personal data will be used. They must be know that all their personal data will be used only according their desire.
I agree that security is very important but now even blockchain projects are hacked. Blockchain is a code and it is possible to make mistakes in this code.