Prime-Xi (PXI) is a privacy cryptocurrency enabling anonymous, securing, and global payments on a fully decentralized network. Prime-XI uses a X11 Long Term Proof-of-Work (PoS) consensus mechanism and officially launched on July 20, 2014. Official cryptocurrency wallets for Prime-XI are available for Microsoft Windows, Linux, and MacOs.
According to Prime-XI their hashing algorithm makes the Prime-Xi network resistant to cryptanalytic attacks, resistant to generic second-preimage attacks, secure against block-box attacks, and mining GPUs run at approximately 30% less wattage and 30-50% cooler compared to standard Proof-of-Work (PoW) algorithms.
Prime-XI Cryptocurrency -- Steemit
What is Prime-XI (PXI) Cryptocurrency Beginner's Guide - Crypto Intel Hub