The RIPEMD-160 secure hash function may be best known these days for its role as part of the implementation of Bitcoin. I’ve wondered what “RIPEMD” stands for, and today I stumbled on an explanation :
“RIPEMD” stands for “RIPE Message Digest,” where “RIPE” stands for “RACE Integrity Primitives Evaluation” and where “RACE” stands for “Research and Development in Advanced Communications Technologies in Europe”—a nice example of a recursive abbreviation.
This deserves a diagram:
I created the diagram above with DITAA.
 Introduction to Cryptography with Open-Source Software by Alasdair McAndrew. CRC Press. 2011