DigitalNote is developing a privacy focused blockchain whose transactions will be resistant to analysis. The network will have a hybrid Proof-of-Work (PoW) and Proof-of-Stake (PoS) consensus mechanism and will be powered by the native XDN coin.

Grin Coin is a community driven blockchain project that aims to create a lightweight mimblewimble blockchain that will enable anonymous transactions. Grin has a Proof-of-Work consensus mechanism. Transactions are executed while hiding addresses and amounts.

PIVX is a cryptocurrency that is focused on privacy, speed, and low transaction fees. It was originally called Darknet and was forked from DASH. PIVX has a strong focus on community governance.
PIVX (Private Instant Verified Transaction) uses a privacy-centric Proof-of-Stake consensus protocol that allows anonymous staking.