Martijn Just un-enrolled from Stanford's Cryptography I course. The course is pretty good and I would definitely recommend it. I scored 100% on the first 4 weeks (problem sets & programming assignments) but I still struggle with Coursera. Will probably not take any more Coursera courses.

Mark Dain Since I failed the course badly I downloaded all the material so I can go back to it over time. Coursera itself seems alright though, what don't you like about it?