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Re:Using blockchain for identity management is mostly ridicu... by captn3m0 on Tuesday October 10, 2017 @11:56AM (#15442826)
Cert Transparency is an effort on that front: https://www.certificate-transparency.org/faq, and it works without a blockchain.
Re:Using blockchain for identity management is mostly ridicu... by subway on Tuesday October 10, 2017 @12:57PM (#15443366)
Cert Transparency depends on our benevolent lord Google to maintain the integrity of the log. Using a blockchain pushes that trust model out such that it's distributed across multiple actors.

There's nothing wrong with CT -- it's a great step in the right direction. There's also nothing wrong with exploring distributed immutable logging.