Ask HN: Why is blockchain not used for digital authorization?
Blockchain seems to be ideally suited for digital signing, what is the reason it is not getting adopted for identity management?
2 threads
EmerCoin is focusing on a similar space. I think you might be interested in http://emercoin.com/EMCSSL
I personally use http://emercoin.com/EMCSSH to manage team access to servers.
Because it costs money, most people don't have BTC, and the tools are unfriendly.