PosEx is a Pow/Pos hybrid cryptocurrency. It has a 30 second block time and uses the SHA256D. _The official PosEx ticker is “PEX” and trades under that name on all the exchanges where it has been listed. The designation “POSEX” is for CryptoCompare.com only._ [BitcoinTalk](https://bitcointalk.org/index.php?topic=1365761.0)