Read The Night Watch and tell me that I'm wrong...
(The syntactically-correct Perl script mentioned in the article is indeed syntactically-correct. (Extra points if you can tell me what it does.))
If you like to follow academic progress in CS, PLOS ONE has an RSS feed. (I don't know my feed types upon inspection -- it might be Atom rather than RSS. Still nice to have the feed, though.)
Is There An Alternative To Long-Term Secrets? presents the mechanism used by LOCKSS (Lots Of Copies Keep Stuff Safe) to ensure that the data you are preserving stays preserved in the face of attacks. (Think peer-to-peer voting to start with.)
Might be something that Bitcoin and the other digital currencies would want to think about...