Interesting how 4 of the 25 projects are related to Bitcoin. It just goes show that the cryptocurrency inspires a good fraction of computer & network security people:

CheckBits: http://css.csail.mit.edu/6.858/2014/projects/adat-bschang-er...

TorCoin: http://css.csail.mit.edu/6.858/2014/projects/bchrobot-ynnad1...

Dryer21, a Bitcoin Anonymizer Service: http://css.csail.mit.edu/6.858/2014/projects/asuhl-dannybd-s...

Merkelized Abstract Syntax Trees: http://css.csail.mit.edu/6.858/2014/projects/jlrubin-mnaik-n...