Using blockchain for identity management is mostly ridiculous 9 years ago
The architect of the Blockcerts system replies to this article here:
http://community.blockcerts.org/t/response-to-blockchain-blo...
“It’s interesting that he focuses on blockchain for identity management, which Blockcerts doesn’t even do.
However, DIDs, which can improve the ability of individuals to own/control their identity, will feature blockchain-based method specs.”