Bcrypt at 25: A Retrospective on Password Security

As one of the creators of bcrypt back in 1997, I find it somewhat surprising that, 25 years later, we still rely heavily on passwords. My initial encounter with password security took place in 1993 at the University of Hamburg. Having just discovered Unix, I was fascinated by a service called Yellow Pages that allowed anyone to dump encrypted password databases. When I reached out to my friends at