Private Immediate Verified Transaction, PIVX, is a solitude focused decentralized open source cryptocurrency located on Feb 1, 2016, under the name of Darknet (DNET) before it was re-branded to PIVX. First Proof of Work (PoW) distribution period ended August 2016 if DNET flocked to the recent Proof of Stake (PoS) phase.
PIVX runs on Blackcoin PoS 2.0 protocol and is based on Bitcoin core 0.10.x signal base. It utilizes a neighborhood of masternodes for transaction privacy and an governance.
The aim of PIVX would be to reach near instant transactions. Some of the features are under development and should show up in the not too distant future while we are well on our way to attaining this.