[rrauenza]

Was going to post something similar -- to protect myself as a student, I'd quickly adopt git to keep a history of my work. Not that this couldn't be forged...

Does git count as a block chain for proof of work? :)

[bsder]

Pretty much. When I taught CS, I told people to commit early and commit often.

This has so many advantages even beyond defending against plagiarism charges that it really wasn't hard to drive home.

The big advantages being defense against the inevitable computer crash and the inevitable directory deletion.