And by blockchain they mean "I don't get it, but send me all your money".https://twitter.com/valkenburgh/status/905898505927086080 …
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various possible consensus mechanisms, sure.
Like publishing a daily hash in an actually printed newspaper would suffice.
that's a great user interface you got there
you gonna show me a paper copy of the WSJ from 1999 and then ask me to find other copies so I can trust you didn't fake it?
There's plenty of libraries stocking them. And I don't have to produce a specific copy, any issue after the time does.
Chained hashes and all. Happy to challenge you in court on faking all issues of NYT across all libraries in the world.
And we're only talking about a fringe aspect of identity management here.
Like if it matters exactly when a signature was done in this context, as long as the key has not been revoked.
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