This word is acceptable for play in the US dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A system of cryptography.

"If the review is negative and gives a non-trivial reason of why the paper should not be published e.g., a clever break of a cryptosystem, a little-known fact that makes a study useless, etc., the review should be published instead of the paper."