Blockchain have always one potential which give users power in their hand about their privacy and data safety. There are many which Blockchain technology brings to us.
But in the recent times there were several attacks on the biggest tech giants which lead to the user personal information got leaked on the dark web or in the internet.
Which contains user's personal information about their credit or debit cards, their phone number, email addresses and many more.
Recently facebook got hacked millions of users data got compromised, same happened with the linkedin, and yahoo got hacked several times.
So, these big tech giants companies store data in their system which leads to these consequences.
Recently this December in India, AIIMS the biggest medical facility of india got hacked by the hacker. Which affected millions of patients that has very critical information about the user personal health data.
Hackers demanded ransomware of INR 200 crore roughly about 25 million USD. This lead to the delay in the patient treatment their health data were stolen.
These kinds of hacks will be prevented by the blockchain technologies.