Neither says in specs what is the hashing algorithm they are using, In 2016 security of all these blockchains and cryptos are not a main concern in the future it will be.
On this subject of security i thought i would just let everyone know about Curecoin, they are currently running testnet for SigmaX a spin off of the new tech developed for Curecoin 2.0. They are currently testing new code for quantum-resistant signatures and mini-blockchain just to name a few features in the new code. If ur interested to know more u can browse
https://bitcointalk.org/index.php?topic=603757.3220 just a few pages either side will have you up to date.