You can get the PDF for now from here: https://9d0df72831e4b345bb93-4b37fd03e6af34f2323bb971f72f0c0...
EDIT: Unfortunately I am on conference wifi, so, might take me a while.
EDIT2: Now on Github. https://crypto101.github.io/
[1] https://www.coursera.org/course/cryptography
I've taken Dan's crypto class ([2]), so I think I can weigh in.
Obvious difference: not organized as a MOOC. Whether that is good or bad is up to you.
Focus difference: I think Crypto 101 is targetting applied crypto more, whereas the Coursera classes take a more classical introduction. There is nothing wrong with either approach, in my opinion. Just a difference in focus.
Udacity also has a applied cryptography, I haven't tried. but it's good if someones has feedback.
direct link to the PDF file https://9d0df72831e4b345bb93-4b37fd03e6af34f2323bb971f72f0c0...
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This is cryptic all right. Now I've got my crypto 101, I guess.