Today, the internet fails to provide a sufficient identity protocol for distinguishing people and institutions.
Consequently, there was a need for service providers to build and maintain their databases of user information. It’s a costly solution for them, as well as the information gets duplicated across different providers. Also, it gets difficult to secure it, given the recent large-scale personal data hacks globally. And, it becomes tedious for users who need to recall numerous credentials for different services.
Moreover, personal information could be processed for profiling, data mining, and exploitation without users’ consent.